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323 Cards in this Set
- Front
- Back
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What must you do before performing any maintenance action on a front-end loader?
|
turn the loader off and set the parking break
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When equipped with a multipurpose bucket, what function can the front-end loader not
perform? |
dragline
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What bucket control is used to raise and lower the bucket on a front-end loader?
|
lift control lever
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To pick up materials from a stockpile with a front-end loader, which method do you use?
|
scoop
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When loading a dump truck with a front-end loader, how can you prevent damaging the
dump body of the truck? |
dump the first load a little at a time
|
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What type of front-end loader bucket should you use to handle sticky material that has a
tendency to cling to the bucket? |
clamshell
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How should a dump truck be positioned near the stockpile?
|
at a 90 degree angle to the stockpile
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How should you backfill a trench when you are using a front-end loader with a narrow
bucket? |
backfill from an angle
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On a front-end loader, in what position would you place the lift-control lever in order to
back drag the area? |
float
|
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When stockpiling with a front-end loader, what happens if material is worked too much?
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segregation takes place
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Unlike a regular front-end loader, what is the advantage of a skid steer front-end loader?
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can operate in smaller areas
|
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Where should you look to determine the type of fluid (engine oil, fuel, etc.) required on a
front-end loader? |
To or owners manual
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|
On the skid-steer front-end loader, what will happen if you remove your hands or feet from
the travel controls? |
the equipment will stop moving
|
|
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To ensure good sweeping action and avoid damage to equipment or bystanders, you should
have a broom pattern that is only |
2-3" wide
|
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|
When moving pallets with a forklift, why should you make sure the forks are spaced far
enough apart? |
To ensure load stability.
|
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When operating a forklift, what do you do after you have the forks under the pallet?
|
Accelerate slightly and pull back on the lift-control lever.
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When operating a front-end loader with a forklift attachment, what control is used to adjust
the forks forward? |
tilt
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What is the efficient operating range of a scraper?
|
300'
|
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What are the four basic cycles in any scraper operation?
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Loading, hauling, spreading, and returning.
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What is the best reason to perform a downhill pull with a scraper?
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To add more material per load.
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Which of these loading methods generally achieves maximum productivity?
|
pusher
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After using a scarifier and ripper, what is the next step you perform with a grader on a road
project? |
Establish drainage
|
|
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When operating a scraper, at what speed should you enter the loading area?
|
Controlled high-return speed.
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When the scraper leaves a cut, why should you allow the scraper to travel a few feet before
lifting the bowl to the carrying position? |
To spread loose material piles in front of the bowl.
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Which statement describes the proper procedure to begin loading sand with a scraper?
|
Use the forward momentum of the scraper.
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When picking up loose shale with a scraper on level grade, the blade should be positioned
to follow |
planes of lamination
|
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When spreading material with scrapers, why should you route the scrapers so their tracks
overlap? |
To promote compaction.
|
|
|
When spreading materials with a scraper, why should you make the fill high on the outside
edges? |
To prevent the scraper from sliding over the edge.
|
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|
For best results when loading wet or sticky material, how far should you bring the scraper
tailgate forward each time? |
1'
|
|
|
When using a scraper, what can you do to save valuable time on short-radius turns?
|
A figure-eight cycle.
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If the haul road on which you are operating a scraper is rough and no grader is available,
you should |
lower the scraper bowl on the return trip to level the road.
|
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What can you do to eliminate bouncing when traveling with a scraper unit?
|
Carry the scraper bowl low to the ground
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When towing a sheepsfoot roller on a road, you should work the roller in what direction?
|
Outside to the center.
|
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What happens to the one to two inches of loose material left by a sheepsfoot roller?
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It assists in bonding successive layers.
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What is the purpose of equipping steel-wheel rollers with scraper blades?
|
Keep the drum rolls clean and free of debris.
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How can you prevent asphalt from sticking to the drum rolls of a steel-wheel roller?
|
By using water from spray bars
|
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When using a steel-wheel roller to roll asphalt, how can you prevent the drive roll from
pushing the asphalt up in front of the drum? |
Drive the roller forward.
|
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What can happen if you leave the steel-wheel roller standing on a new road surface?
|
Depressions will be left in the pavement
|
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Pneumatic-tired rollers are used when the soil to be compacted requires
|
a kneading action
|
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One difference between the self-propelled pneumatic roller and the 13-wheel towed roller is
that the self-propelled roller |
has a watering system.
|
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How can you ensure uniform compaction with the pneumatic-tired roller?
|
Maintain even tire pressure
|
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What precaution must you take when using articulated steering on a grader with the blade
positioned at an acute angle? |
Running the blade into the rear tire on turns
|
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What terms do we use to designate a grader’s moldboard ends?
|
Heel and toe
|
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You regulate the depth of your cut with a grader by
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raising or lowering the toe of the moldboard
|
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To have the material cut by a grader form a windrow, you must
|
lower the heel of the moldboard.
|
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By adjusting the pitch of a grader moldboard, you change the
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cutting or dragging action of the cutting edge.
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What type of action occurs when you pitch a grader scarifier to the rear?
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Tearing.
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When removing teeth from a grader scarifier, which tooth do you take out first?
|
Center of the scarifier.
|
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What happens if you lower the ripper teeth on a grader too much?
|
It raises the grader’s rear end
|
|
|
Generally, push-loaded scrapers should be loaded within a maximum stance of how many
feet? |
100
|
|
|
The grading operation that spreads material away from the ditching operation and toward
the middle of the road we call |
the shoulder pickup
|
|
|
When cutting the back slope of a ditch with a grader, position the circle and blade to ensure
the material flows |
inside the right rear tandem tire.
|
|
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How can you avoid leaving an edge when making the final leveling pass with a grader?
|
Lift the trailing edge of the blade
|
|
|
Windrows piled in front of the rear grader tires when leveling affect
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traction and accuracy.
|
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Besides adding to the appearance of a job, what is the benefit of sloping the bank of a ditch?
|
Prevents the bank from crumbling
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Preparing the downward slope from the centerline to the shoulder of a road is
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the final step in road grading.
|
|
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Before making any grading cuts on a project, what do you examine?
|
Hub stakes.
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|
Ideally, we construct road mix pavements during dry weather when the temperature is at
least |
50°F.
|
|
|
When mixing bitumen with a grader, turn the material from one side of the road to the other
a minimum of |
four times.
|
|
|
Other than on the equipment itself, where can you find lube charts that pertain to a
particular piece of equipment? |
TO
|
|
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Why should the point of the V tread on the grader front tires meet the ground last?
|
To make the front tires wear longer
|
|
|
Besides the normal up-and-down blade controls, what other control levers may be on some
dozers? |
Tilt and angle
|
|
|
On the crawler type dozer, why do you allow the engine to idle three to five minutes before
shut down? |
Prevent damage to the turbo charger.
|
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|
The attachment of a rear-mounted ripper to a dozer does not seriously affect the
|
maneuverability of the dozer.
|
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What do you do if you are ripping material and your dozer continually lags or stalls?
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Reduce the number of teeth.
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When pushing material with a dozer, what decreases the response time when using the
blade-lift control? |
Added weight of material on the dozer blade
|
|
|
What can cause a bulldozer to nose up and down, creating an uneven work surface?
|
Raising and lowering the blade too much.
|
|
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Use side-by-side dozing only for hauls of at least
|
50 feet
|
|
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When you use the spillage from the first few passes of a dozer to build windrows that hold
the earth in front of the blade, what method of dozing are you performing? |
Slot dozing.
|
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You are about to remove a medium-sized tree. For your initial contact with the tree, in what
position do you place your dozer blade? |
As high as it will go.
|
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If your dozer can not initially push over a large tree, what do you do?
|
Cut the roots with the blade and push the tree over.
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How do you remove stumps with a dozer?
|
Cut the roots of the stump and push it out
|
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When removing rock with a dozer, if you repeatedly let the corner of the blade dig, what
can happen? |
Dozer engine will stall
|
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To make a side-hill cut with a dozer, how do you start the cut?
|
Straight down the hill.
|
|
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How far from the construction stakes do you line up your dozer when building a V-shaped
ditch? |
Two feet.
|
|
|
At least how many inches of solid material must be over a culvert before you can cross it
safely with a dozer? |
12 inches.
|
|
|
Finishing with a dozer is best done at what speed and capacity?
|
Highest speed possible with the blade at least half full of material
|
|
|
When constructing a stockpile with a bulldozer, why should you gradually raise the blade at
the end of the cut? |
To avoid creating an abrupt ridge.
|
|
|
What happens if you stockpile aggregate blends of material (course and fine particles) in a
cone-shaped mound (sloping sides)? |
Particle segregation can occur
|
|
|
What is the minimum slide slope ratio for berms?
|
1:1 ratio.
|
|
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What are the two main elements that cause erosion on a berm?
|
Weather and rodents
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When using your dozer as a pusher to load a scraper, what happens if you push too hard?
|
The scraper can jackknife and cause damage or injury
|
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On a dozer, what type of connection do we use to tow equipment?
|
Tongue and drawbar
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How do you usually rate the power of a winch on a dozer?
|
Maximum pull exerted on its line
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Before using a winch on a dozer that is in a stationary position, you must
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line up the dozer with the pull
|
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Why do you clean the mud out of the tracks of your dozer?
|
To keep the rollers from developing flat spots because they are unable to move.
To keep the rollers from freezing in place. To find lubrication points. |
|
|
Fuel your dozer at the end of the workday in order to
|
prevent condensation in the fuel tank.
|
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What happens if you operate your dozer with the tracks too tight?
|
Engine horsepower is reduced
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What is the correct adjustment (distance) between the bottom of the straightedge to the top
of the plate on a dozer track when checking tension? |
One to one and one-half inches.
|
|
|
How often do you change the secondary (inner) element of the air intake breathers on a
dozer? |
Once a year
|
|
|
What is the most important part of changing the cutting edges on a bulldozer?
|
Making sure the cutting edges are blocked.
|
|
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What color do we use to make change to an as-built drawing?
|
Red.
|
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|
Which of these jobs would require a thorough inspection, but would not require an AF
Form 103, Base Civil Engineer Work Clearance Request? |
Plowing or tilling the soil.
|
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What is the purpose of obtaining an AF Form 103 before excavating?
|
Prevent loss of life.
Prevent disturbance of aircraft. Prevent unscheduled utility outage. |
|
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When using a trencher, the cuttings can be pulled back away from the ditch by using a
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pair of auger flights
|
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When excavating a ditch, what happens if you move your trencher forward too fast?
|
The trencher will stall.
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If you know the location of an obstacle where you are trenching, you must
|
stay at least a foot away from it.
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What limits the digging depth of a backhoe?
|
Length of the boom and dipper stick.
|
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On a normal backhoe, where do the five cylinders that control the operation of the swing,
boom, dipper stick, and bucket receive hydraulic pressure? |
Tractor’s hydraulic system.
|
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If you leave the rear tires on the ground when operating a backhoe, what effect can this
have? |
Reduces machine stability
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If the bucket stalls while you are excavating with a backhoe,
|
raise the boom slightly
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If you are operating a backhoe and someone steps in the swing radius of the bucket,
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ground the bucket until the person moves out of the area.
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Which is not a safety factor you must consider when loading materials with a backhoe?
|
Be sure to have an AF Form 103 in your possession.
|
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What makes the rubber-tired excavator a highly mobile piece of equipment?
|
It operates with self-propelled wheel mountings
|
|
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How do you disengage the blade/swing interlock switch on a excavator?
|
Lower the blade
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How do you activate the impactor on a excavator?
|
Depress the attachment-control pedal.
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An advantage of using the compactor attachment on a excavator is that it
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takes less time to compact the area.
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While excavating a ditch, which construction stakes should not be disturbed?
|
Offset stakes
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What does a hub stake indicate on an excavation site?
|
Exact position or elevation
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When making a rectangular-shaped excavation, why is it important to plan the digging
sequence? |
To prevent working into situations where the machine cannot be repositioned.
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When doing an excavation, where do you lose most of your digging time?
|
Repositioning the machine.
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When digging a basement, if the first cut is to be made on the west line of the project, the
starting point should be where the boom and dipper stick reach the |
northwest corner.
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What safety precaution prevents cave-ins during excavation?
|
Shore the sides of the excavation
|
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The best way to drain the water out of a trench is to use a
|
pump
|
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In a diaphragm pump, what type of force moves liquid from the intake to the discharge
valve? |
Reciprocating motion.
|
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The mud hog and water hog are considered what type of pump?
|
Diaphragm
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The most convenient way to mount equipment on an industrial tractor is with a
|
three-point hitch.
|
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Which statement describes a floating drawbar?
|
A crossbar fastened to the lower links of a three-point hitch
|
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On an industrial tractor fitted with a power takeoff (PTO) when, if ever, should the PTO
not be engaged? |
When no PTO-driven equipment is mounted to the tractor
|
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What is the approximate diameter of an auger that we use to dig postholes?
|
Nine inches
|
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A front-end load bucket attachment on an industrial tractor is best suited for
|
excavating light material.
|
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|
What are the two types of certification required by Department of Defense/Air Force
(DOD/AF) to operate on a flight line? |
Initial certification and periodic recertification.
|
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What AF Form do we use to document annual certification training?
|
1098
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The purpose of revetments is to
|
protect parked aircraft and essential facilities.
|
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How are the sides and cross panels of the A–1 and B–1 revetments held together?
|
They are held together with pins
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The best way to repair damage to a large section of a revetment is to
|
remove the damaged section
|
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What two types of concrete revetments are replacing A1 and B1 metal revetments?
|
Bitburg and concrete bins.
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Concertainer revetments are lined with a
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geofabric liner.
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What is the minimum amount of people required to erect a Concertainer revetment?
|
2
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Concertainer revetments are connected together using
|
connecting pins
|
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Concertainer revetments provide the same protection as
|
B–1
|
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Which is considered to be a quick and easily constructed temporary culvert?
|
Lean-to.
|
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Which culvert is designed to withstand heavy water flow?
|
log
|
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You place sandbags, burlap sacks, or canvas around a metal planking culvert in order to
|
give the culvert a better watertight seal.
|
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|
You are preparing to construct a timber bridge: for this task, your most important
consideration is to |
insure the bridge is constructed according to its projected use.
|
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If at all possible, the construction of a soil-cement road should be restricted during
|
freezing weather
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When treating a soil-cement road area with cement for final finishing, you divide the areas
into sections. The purpose of this is to |
make it possible to complete an area in one working day.
|
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|
A sanitary landfill should not be located near
|
a spring.
|
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When abandoning a sanitary landfill trench, cover it with at least
|
2 feet of material.
|
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|
Where do you place stones that weigh less than 10 pounds when you are constructing berms
or dikes? |
Lower center of the berm.
|
|
|
Which fuel bladder berm is the least desirable
|
Above ground level
|
|
|
Which materials can you use to prevent berm erosion?
|
Sod.
Clay. Soil-cement. |
|
|
In the event fuel should catch fire in the berm, what can you do to reduce the risks of the
remaining material from burning? |
Open the drain.
|
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What is one of the first things you do after constructing a lagoon?
|
Secure the area with a fence
|
|
|
The purpose of building adjustable outlet pipes to extend through the lagoon’s berm is to
|
control the operating depth.
|
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|
You slope the bottom of evaporation lagoons
|
for quick and complete draining
|
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|
What is the first thing to assemble on the temper tent?
|
Tent frame
|
|
|
We join the sections of the temper tent together with
|
beckets.
|
|
|
When disassembling a temper tent, when do you remove a single ply floor?
|
After you remove all internal components
|
|
|
How many sections of the temper tent does a fly section cover?
|
Two.
|
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|
What is the newest type all–purpose tent type shelter used by the Air Force?
|
Small Shelter System Tent.
|
|
|
The Small Shelter System Tent can withstand steady wind loads of
|
50 knots
|
|
|
How many types of liners does the Small Shelter System tent use?
|
3.
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Which liner do you install first when erecting the Small Shelter System Tent?
|
Mid liner
|
|
|
The Environmental Control Unit should be approximately how far away from the SSS tent
end wall? |
12 inches.
|
|
|
Inspect the Small Shelter System Tent electrical cable assemblies every
|
30 days.
|
|
|
When the shelter is placed in storage for a lengthy period, inspect it at
|
six month intervals
|
|
|
When you are making a repair to a small tear on the Small Shelter System Tent, the patch
material must extend a minimum of how many inches around all sides of the tear? |
3 inch.
|
|
|
How many (if any) damaged parts can you have in an oxyacetylene welding system and still
be able to use the system? |
None.
|
|
|
What is used inside acetylene cylinders to stabilize the pressurized acetylene?
|
Acetone.
|
|
|
Oxygen and acetylene hoses are colored
|
green or black and red or maroon respectively
|
|
|
Why must you crack open each cylinder outlet valve before you attach regulators?
|
To blow out any dirt lodged in the outlet nipple.
|
|
|
When assembling oxyacetylene equipment, you open the acetylene cylinder valve a
maximum of |
1½ turns.
|
|
|
A safety feature of oxyacetylene equipment is that
|
acetylene connections have left-hand threads and oxygen connections have right-hand threads
|
|
|
When lighting the oxyacetylene torch, you open the
|
acetylene valve first.
|
|
|
Why is a pure acetylene flame smoky?
|
There is not enough oxygen in the air to burn the acetylene completely
|
|
|
Which oxyacetylene welding flame produces a white streamer or “feather” of acetylene at
the end of the inner cone? |
Carbonizing
|
|
|
When closing down an oxyacetylene unit, what valve do you close first?
|
Oxygen torch valves.
|
|
|
To relieve the pressure on the diaphragm of a two-stage oxyacetylene regulator, you
|
turn the adjusting screw counterclockwise
|
|
|
If a flashback occurs in oxyacetylene welding equipment, your first action is to immediately
close the |
oxygen torch valve.
|
|
|
How is cutting oxygen released from the high pressure oxygen valve on the oxyacetylene
cutting torch |
Through the oxygen regulator
|
|
|
What flows through the central orifice of an oxyacetylene cutting torch tip?
|
Cutting oxygen
|
|
|
The oxygen blast of an oxyacetylene cutting torch combines with red hot metal and
|
burns it into oxide.
|
|
|
The slot made during oxyacetylene cutting we call the
|
kerf.
|
|
|
We can do oxyacetylene cutting without any special precautions on
|
all low and medium carbon steels.
|
|
|
To what color do you preheat low-carbon steel before you open the oxyacetylene cutting
oxygen valve? |
Red.
|
|
|
To do straight-line cutting with the oxyacetylene torch, mark the line cut clearly with
|
center punch marks
|
|
|
After you preheat a piece of metal plate to a kindling temperature, how high above the plate
do you raise the oxyacetylene cutting torch to pierce the metal? |
½-inch above normal.
|
|
|
Which oxyacetylene cutting technique is one of the more difficult to accomplish?
a. Straight-line cutting. |
Beveling.
|
|
|
What type of gouging starts with the tip of the torch being held at a 20° angle to the
horizontal? |
Progressive.
|
|
|
During progressive gouging, what happens if you move the cutting torch too slow?
|
Makes the cut too wide and deep.
|
|
|
How many types of flame-gouging techniques are there?
|
2.
|
|
|
What is a very simple but critical task that you must always do before you light the torch of
an oxyacetylene cutting outfit? |
Check the entire outfit for gas leaks.
|
|
|
To repair a leak around the needle valves, tighten the
|
packing gland nut.
|
|
|
What metal must never be used on an acetylene hose because it forms an unstable
compound with acetylene? |
Copper
|
|
|
When cleaning a tip, you must use straight back-and-forth motion to keep from
|
enlarging the orifice
|
|
|
Gas leakage around a torch tip is usually caused by
|
a damaged tip.
|
|
|
Which rapid runway repair (RRR) equipment set enables the completion of at least 6 craters
within 4-hours? |
R–2.
|
|
|
What type of crater repair do we make to upgrade expedient repairs?
|
Sustainment.
|
|
|
You are surveying pavement damage from an attack with conventional weapons. You find
the attack has penetrated and disturbed the runway subgrade for an area of up to 20 feet in diameter. You would classify this damage as a |
small crater
|
|
|
Which rapid runway repair (RRR) factor is important in determining the principal crater
types? |
Depth of the burst
|
|
|
When an enemy attack becomes eminent, the rapid runway repair (RRR) assets must be
|
equally divided and dispersed to designated areas.
|
|
|
When are you allowed to disperse rapid runway repair (RRR) equipment to designated
staging areas situated near the runway |
After you receive an “all clear”.
|
|
|
What does the acronym MOS stand for?
|
Minimum operating strip.
|
|
|
At present, how many crater repair methods does the Air Force use?
|
Three.
|
|
|
Which equipment do we use to clear an area where AM–2 mats are to be assembled?
|
Grader.
|
|
|
Who determines how much fill material is needed at the rapid runway repair (RRR) crater
sites? |
Crater NCOIC.
|
|
|
What is the first action you take when repairing a damaged utility located in a bomb crater?
|
Isolate the damaged utility.
|
|
|
When the dozer enters a rapid runway repair (RRR) bomb crater, the crater should be
|
¾ full.
|
|
|
How much of the crater repair does the sand-grid placement make up?
|
16 inches.
|
|
|
Joining two folded fiberglass mats (FFM) together requires the use of a
|
2 feet, 1¼-inch wide two-ply panel
|
|
|
When joining two folded fiberglass mats (FFM) together, always pull
|
in a direction that is perpendicular to the hinges.
|
|
|
Leave a horizontal gap of 1 inch between the edges of the folded fiberglass mat (FFM) and
the ramp to allow for |
mat removal or replacement.
|
|
|
How many rows will one standard pallet of AM–2 mats cover?
|
2.
|
|
|
Which item allows two AM–2 mat laying teams to start work in the middle of a runway and
work in opposite directions towards the end of the runway? |
Starter keylock.
|
|
|
The centerline lights in an AM–2 mat package are installed every
|
100 feet.
|
|
|
Soil material supporting AM–2 matting must have a California Bearing Ratio (CBR) rating
of at least |
10
|
|
|
You are spotting AM–2 mat pallets around a mat laying area. To do this properly, you
should place them in the center of the runway at |
4-foot intervals.
|
|
|
Check the alignment of AM–2 matting after
|
laying each row.
|
|
|
Why are AM–2 mats made to fit together with a loose fit?
|
Allows for expansion of the subgrade.
|
|
|
When placing AM–2 matting, install typical keylocks at intervals of
|
100 feet.
|
|
|
When anchoring AM–2 matting, make the anchor ditch
|
18 to 24 inches deep and cut it at a 15° to 30° angle.
|
|
|
Which is the first step in disassembling an AM–2 mat runway?
|
Cut all slice plates.
|
|
|
Which method is considered the quickest, but has limited success in repairing spalls?
|
Cold-mix asphalt.
|
|
|
Before you can use any material on DOD airfields, you must make sure it
|
is certified for use.
|
|
|
Reflectorized paint is preferred for expedient paint striping when you are
|
seeking improved night vision
|
|
|
Which of these pigmented paint binders tends to bleed on asphalt?
|
Alkyd-chlorinated rubber
|
|
|
What is the responsibility of the 2–person crew on the minimum operating strip (MOS)
marking team? |
Paint striping.
|
|
|
During expedient operations, sufficient white paint must be available to complete a
|
10,000 foot MOS
|
|
|
During expedient operations, which area on the minimum operating strip (MOS) is
normally laid out first? |
MOS threshold.
|
|
|
What are the primary materials we use for the expedient marking of the minimum operating
strip (MOS)? |
White paint with reflective beads.
|
|
|
During expedient operations, what can you use to paint areas that are not accessible with the
paint machine? |
A paint wand.
|
|
|
During expedient operations, how soon do we begin the obliteration of airfield markings?
|
After you do as much white painting as practical.
|
|
|
Normally on equipment and vehicles, what determines the type of checklist you use for an
operator’s inspection? |
Type of vehicle
|
|
|
When heavy equipment is placed in storage, how often must it be inspected for
serviceability |
Monthly.
|
|
|
Which of the following is not normally an equipment or vehicle operator’s responsibility?
|
Changing the transmission fluid
|
|
|
Failure to lubricate a piece of equipment or vehicle properly when required constitutes
|
vehicle abuse
|
|
|
When operating a dump truck with an automatic transmission, the power take-off is engaged
with the |
transmission in gear.
|
|
|
When performing an operator’s inspection before operating a dump truck, you should
|
check and make sure the dump box operates.
|
|
|
If you choose to spread materials in layers, you should stop the truck where you want to start
the spread, position the dump control levers, and |
raise the bed about one foot.
|
|
|
Before you begin loading a vehicle, you must first determine the vehicle’s
|
weight capacity.
|
|
|
You are tasked to haul a large number of heavy grader blades and lightweight broom bristles.
How should these items be loaded on the vehicle? |
Grader blades on the bottom and the broom bristles on the top
|
|
|
What determines the method of securing cargo?
|
Type of cargo, speed of the vehicle, and distance to be traveled.
|
|
|
You are using a forklift to load bundles of 12 feet by two feet airfield landing mats onto a
trailer. To do this properly, you must pay close attention to the |
height restrictions
|
|
|
When hauling construction materials, you should use load binders to
|
tighten the chains that secure the load to the trailer.
|
|
|
What is the best reason for hauling a dozer to a construction site?
|
Reduce wear on the dozer
|
|
|
Normally, if there is no loading ramp available to load a dozer, you should
|
push-up a pile of dirt behind the trailer
|
|
|
To prevent the semitrailer from moving while you back the tractor under it, you should
|
block the trailer wheels with wood blocks (chocks).
|
|
|
Which is the correct order for connecting a tractor to a semi-trailer?
|
brake lines, fifth wheel, and electric jumper cable
|
|
|
How do breakaway trailers differ from cargo trailers?
|
They are built lower to the ground
|
|
|
What is the proper order for disconnecting a tractor from a breakaway trailer?
|
Lower hydraulic ram, disconnect brake and electric jumper cables, and fifth-wheel handle opened
|
|
|
When you are making a turn with a tractor and trailer, you must keep in mind the trailer has
|
cut the corner
|
|
|
What term is given to a condition where the tractor and trailer become jammed together at
an acute angle? |
Jackknife.
|
|
|
What is the best way to position a tractor trailer for unloading at a warehouse dock?
|
Back toward the left and turn toward the dock.
|
|
|
What action should be taken to regain control of a tractor trailer in a skid?
|
Release the brakes to get the wheels turning.
|
|
|
Where does the bitumeter gage on the asphalt distributor receive its power?
|
Small 10-inch wheel lowered from behind the running board.
|
|
|
The first task in operating a water truck is to
|
fill the water tank
|
|
|
Why should you use caution if you fill the water truck with a fire hose from a hydrant?
|
The hose may come out of the tank and hit someone.
|
|
|
The ballast plates inside the tank of a water truck are designed to
|
prevent excessive water movement.
|
|
|
What is the most important factor in determining how well soil can be compacted?
|
Degree of moisture in the soil
|
|
|
Who has the ultimate responsibility for inspecting airfield pavements for foreign objects?
|
Chief of airfield management.
|
|
|
Whom must you check with first before you begin any flightline sweeping operations?
|
Base operations personnel.
|
|
|
What is the best way to perform an airfield sweeping and inspection operation?
|
Drive slow and move back and forth across the area.
|
|
|
What should you do during sweeping operations if you come across a large rock that the
sweeper will not pick up? |
Stop the sweeper and pick up the rock.
|
|
|
What is the most important factor in the operation of the air sweeper?
|
Cleanliness.
|
|
|
The air sweeper is best described as what type of machine?
|
Closed-loop.
|
|
|
On the air sweeper, how is fine dust removed from the air stream before it returns to the
blower? |
Skimming it off in the separator.
|
|
|
When using the air sweeper to sweep over wet pavement, you must frequently
|
dump the sweeper hopper
|
|
|
When using the handheld suction hose on the air sweeper, you should never
|
direct the hand hose toward another person.
|
|
|
For best results and prolonged sweeper parts life, how should you wash the air sweeper
hopper? |
From the right and left inspection doors first.
|
|
|
What will happen if you fail to keep the air sweeper pickup head spring suspension system
in proper adjustment? |
Premature wear of the skid plates.
|
|
|
When should you change the air sweeper gutter broom bristles
|
Per owner’s manual or technical order (TO).
|
|
|
On a traction-powered towed sweeper, the turning of the rear wheels is used to
|
rotate the broom.
|
|
|
Which of the following is not a contributing factor when determining the number of
sweepers that an industrial tractor can tow? |
Type of sweeper unit used.
|
|
|
Depending on conditions, how many miles per hour can a front-mounted broom-sweeping
unit remove light debris from paved surfaces? |
Six
|
|
|
What drives the sweeping unit on a front-mounted broom sweeper?
|
Hydraulic motor.
|
|
|
Which is not a factor in controlling the brush life on the front-mounted broom?
|
Broom moisture.
|
|
|
Who is directly responsible to the support group commander for snow and ice control
activities? |
Base civil engineer (BCE).
|
|
|
Which individual is responsible for directing runway condition readings?
|
Chief of airfield management.
|
|
|
All snow and ice control equipment must be mechanically sound and operational by the first
of which month? |
September.
|
|
|
Which of the following is a priority one snow removal area?
|
Access road to special weapons.
|
|
|
The snow and ice control (S&IC) center should be equipped with
|
color-coded layout maps showing priorities.
|
|
|
If the clutch is engaged too quickly, what safety device is used to prevent damage to the
drive shaft, blower assembly, or other parts of the snowblower? |
Shear pin
|
|
|
When operating a rollover snowplow, at what speed will you get the best rolling action off
the end of the blade? |
30 mph.
|
|
|
What is an advantage of using a front-mounted snow broom?
|
Operates at faster forward speed.
|
|
|
When sweeping ice, what type of bristle is best for flipping snow?
|
Poly.
|
|
|
What items are of special importance and must be marked before the first snowfall?
|
Runway lights.
|
|
|
Normally what type of snow equipment would you use to begin runway snow removal?
|
Brooms.
|
|
|
What piece of snow equipment is used throughout the duration of the snowfall to maintain
the center portion of the runway down to bare pavement conditions? |
Brooms.
|
|
|
During snow removal, which of the following issues will determine your actual clearing
pattern? |
Wind speed and direction
|
|
|
All snow removal equipment operating in the area of aircraft movement must maintain radio
contact with the |
control tower
|
|
|
When the windrows of snow get too heavy for the sweeping operation, what should you use
to displace the snow? |
Plows.
|
|
|
When crosswinds are combined with a heavy snowfall, where must you concentrate snow
removal operations? |
Runway centerline area.
|
|
|
When possible, you should clear snow from airfield in-pavement lights with a snow broom or
|
a snowplow blade with rubber cutting edges.
|
|
|
Anti-icing and deicing chemicals used on airfield pavement must be previously approved by
the |
Air Force Civil Engineer Support Agency (AFCESA).
|
|
|
What can you use, along with snow brooms, to reduce ice thickness?
|
Underbody scraper.
|
|
|
What is the runway ice detection system (RIDS) designed to minimize?
|
Chemicals.
|
|
|
Which reading is not collected by the central processing unit (CPU) of the runway ice
detection system (RIDS) |
Ice thickness.
|
|
|
Which chemicals are highly corrosive to metals and should never be used near aircraft
movement areas |
Sodium chloride and calcium chloride.
|
|
|
Which of the following reductions is not a reason for storing chemicals in enclosed
shelters? |
Pilferage.
|
|
|
What type of inspection is made before, during, and after using rigging equipment?
|
Frequent.
|
|
|
Which of the following is considered a frequent inspection category?
|
Daily.
|
|
|
Specifically, chain size is determined by the
|
diameter in inches of the rod used to make the links.
|
|
|
To indicate that a chain has been overloaded, what will normally fail first?
|
Hook.
|
|
|
If you inspect a chain and find several links are badly worn and stretched, you should
|
discard the chain.
|
|
|
Which factor has the greatest effect in shortening the useful life of nylon rope?
|
Improper care.
|
|
|
Before use, to what rate of capacity should all nylon rope slings be proof tested?
|
200 percent
|
|
|
Wire rope is classified by all of the following except
|
its diameter.
|
|
|
Generally, what is the strongest type of wire rope used?
|
6×19.
|
|
|
The lay of wire rope refers to the
|
winding of the wires.
|
|
|
When lifting, for what are fiber rope slings used?
|
Comparatively light loads
|
|
|
What are the three types of slings that can be used to lift loads?
|
Endless, single-leg, and bridle.
|
|
|
Normally when moving a heavy load, how many rollers are considered enough?
|
Four to Six.
|
|
|
For cribbing operations, which jack style should be used?
|
Hydraulic
|
|
|
In a simple tackle system, the leading block is an additional block used to
|
change the direction of the pull.
|
|
|
What will help you determine the mechanical advantage of a simple tackle system?
|
Counting the number of lines supporting the load.
|
|
|
Which tackle system uses two or more blocks?
|
Compound.
|
|
|
Why should wire clips on a deadman guyline be placed above the ground?
|
Allow easier access for maintenance.
|
|
|
Why is the stationary cab on a hydraulic crane considered a disadvantage?
|
Operator doesn’t rotate with the boom.
|
|
|
When operating a crane, why should the crane operator and helper not use personally
developed hand signals? |
Personal signals may confuse a new helper
|
|
|
The minimum clearance required between power lines and any part of the hydraulic crane or
its load is |
ten feet
|
|
|
When making a lift with a crane without the use of outriggers is known as
|
on rubber lift.
|
|
|
Before lifting a load with a crane, what must you check first?
|
Weight of the load against a load chart.
|
|
|
What is the major cause of accidents involving hydraulic cranes?
|
Improper crane operation
|
|
|
While operating a crane, what must you do if you lose sight of the load or signalman?
|
Stop the operation immediately
|
|
|
When moving the hydraulic crane within the job site, you swing the boom to the front and
|
insert the turntable lock pin
|
|
|
What would you use to clean grease from the brake drums and brake linings of a crane?
|
Nonflammable solvent and a clean cloth.
|
|
|
When winding wire rope onto the hydraulic crane hoist drum, which hammer should not be
used to tap the rope? |
Steel.
|
|
|
After assembling the clamshell for use on a hydraulic crane, what line should carry the
entire load between the clamshell and the reel? |
Tag.
|
|
|
If a crane equipped with a clamshell needs to travel a long distance, what should you do
with the clamshell? |
Remove the bucket and haul it in a truck.
|
|
|
When using a working platform attached to a hydraulic crane, where is the additional
leveling switch located? |
Inside the crane operator’s cab.
|
|
|
When you are inside the working platform on a hydraulic crane, where should you fasten
your safety belt? |
Working platform
|
|
|
When attached to a hydraulic crane, what will impact the self-leveling mode of the
working platform? |
Position of the workers.
|
