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115 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What is the best location for leveling a crane? |
Upperworkswhen |
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When determining the gross load the best method is? |
Get an accurate load weight and add the rigging your |
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By order of hitch strength ( strongest to weakest) |
Basket, vertical, choker |
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Only approved attachments or extra counterweights made by the manufacturer should be placed on the rear of the crane because: yeah |
They could cause a backward stability problem with maximum boom angle |
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What is the first thing an operator should do before going under a low pipe rack? |
Post a signal person to check clearance |
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What is the first thing an operator should do before going under a low pipe rack? |
Post a signal person to check clearance |
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When working on out riggers, the only time they should be less than fully extended is when? |
There is a load chart for this operation |
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What is the first thing an operator should do before going under a low pipe rack? |
Post a signal person to check clearance |
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When working on out riggers, the only time they should be less than fully extended is when? |
There is a load chart for this operation |
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When lifting loads from the water, the operator should be aware that? |
The load will increase when you pick the load from the water |
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What is the first thing an operator should do before going under a low pipe rack? |
Post a signal person to check clearance |
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When working on out riggers, the only time they should be less than fully extended is when? |
There is a load chart for this operation |
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When lifting loads from the water, the operator should be aware that? |
The load will increase when you pick the load from the water |
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What is required to be on a hydraulic crane in order for it to lift a man basket? |
Boom length indicator |
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What is the first thing an operator should do before going under a low pipe rack? |
Post a signal person to check clearance |
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When working on out riggers, the only time they should be less than fully extended is when? |
There is a load chart for this operation |
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When lifting loads from the water, the operator should be aware that? |
The load will increase when you pick the load from the water |
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What is required to be on a hydraulic crane in order for it to lift a man basket? |
Boom length indicator |
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When working on rubber, cranes are rated at what percentage of tipping? |
75% |
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What is the maximum Number of broken wires acceptable before replacement on a standing wire rope? |
Two |
Does not go through sheeve |
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What is the maximum Number of broken wires acceptable before replacement on a standing wire rope? |
Two |
Does not go through sheeve |
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What are most Jibs capacities based on? |
Structural |
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What is the maximum Number of broken wires acceptable before replacement on a standing wire rope? |
Two |
Does not go through sheeve |
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What are most Jibs capacities based on? |
Structural |
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On the majority of conventional cranes the power is transferred to the torque converter by a A: |
Master clutch |
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What is the maximum Number of broken wires acceptable before replacement on a standing wire rope? |
Two |
Does not go through sheeve |
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What are most Jibs capacities based on? |
Structural |
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On the majority of conventional cranes the power is transferred to the torque converter by a A: |
Master clutch |
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During disassembly of a long boom, the hog lines are connected at the maximum can cantilever Point and the boom is slightly lifted ask the ground. Which pins Are to be removed next? |
The bottom pins ahead of the cantilever Point |
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When using load / capacity charts, what does the term Jib angle to ground refer to? |
Main boom angle minus the jibs offset |
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A truck crane, with outriggers properly set, is rated at what percentage of it’s tipping capacity? |
85 % |
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On a truck crane with the outriggers extended and set, and tires touching the ground, the operator should refer to what load chart? |
On rubber chart |
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When working over water with a man basket Are the people inside required to wear a belt or harness? |
No harness or belt required |
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What is the maximum advisable Wind speed for crane operation? |
30 Miles per hour |
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When working near powerlines, where should caution stickers be installed? |
At Operator station and on the outside of the crane |
At least three One in cab and two on the outside |
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Jib backlash, how much is allowed? |
Five degrees |
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Cranes must be leveled to within___________% Grade |
1% |
Reduce capacity to 50% |
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A frequent inspection is? |
Daily to monthly |
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A periodic inspection is? |
Monthly to Annually |
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Test loads shall not exceed_________ of manufactures load ratings? |
110% |
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Test loads shall not exceed_________ of manufactures load ratings? |
110% |
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Cranes idle for more than six months must have________ inspections performed. |
Frequent and periodic |
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Test loads shall not exceed_________ of manufactures load ratings? |
110% |
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Cranes idle for more than six months must have________ inspections performed. |
Frequent and periodic |
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Cranes lifting personnel platforms must have an inspection performed every: |
Day |
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Crane hooks must not be twisted in excess of: |
10° |
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A crane hooks throat opening must not exceed: |
15% of it's original size |
10% wear |
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What is the jib offset? |
Jim angle to the boom |
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After the crane has been checked out and before crane lift operations begin the crew should: |
Have a pre-left meeting |
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After the crane has been checked out and before crane lift operations begin the crew should: |
Have a pre-left meeting |
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According to ASME B30.5 personnel platform lifts should not be made with wind in excess of: |
20 mph |
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After the crane has been checked out and before crane lift operations begin the crew should: |
Have a pre-left meeting |
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According to ASME B30.5 personnel platform lifts should not be made with wind in excess of: |
20 mph |
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When is it safe to work closer than the allowable distance from powerlines? |
When utility company says lines are de-energized |
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During set up how do you determine machine clearances (counterweight, boom, outrigger)? |
Measure for correct distances |
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When operating a crawler crane what is the most unstable allowable quadrant of operation? |
Side |
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When operating a crawler crane what is the most unstable allowable quadrant of operation? |
Side |
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When operating a truck crane what is the most unstable allowable quadrant of operation? |
Side |
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What is not a good location for crane set up? |
Above utilities |
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When should they tagline be used? |
When rotation of load would be dangerous |
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When an operator arrives at the job site and the crane is already erected, how would the operator check the main and Auxiliary hoist brakes? |
Lift the load off the ground and apply the brakes |
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When an operator arrives at the job site and the crane is already erected, how would the operator check the main and Auxiliary hoist brakes? |
Lift the load off the ground and apply the brakes |
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What is the difference between and anti-two-block warning device and an anti-two-block prevention System? |
Warning device only warns, but prevention system Will stop the operation |
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When an operator arrives at the job site and the crane is already erected, how would the operator check the main and Auxiliary hoist brakes? |
Lift the load off the ground and apply the brakes |
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What is the difference between and anti-two-block warning device and an anti-two-block prevention System? |
Warning device only warns, but prevention system Will stop the operation |
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Who gives the operator hand signals? |
The person assigned prior to the lift |
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Why use mats or cribbing? |
To reduce ground pressure |
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Why use mats or cribbing? |
To reduce ground pressure |
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Tipping capacities of crawler cranes are based on what percentage of tipping? |
75% |
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Why use mats or cribbing? |
To reduce ground pressure |
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Tipping capacities of crawler cranes are based on what percentage of tipping? |
75% |
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Should the load be applied when determining the proper boom angle? |
Yes |
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When should the operator use the” run by the seat of the pants” technique? |
Never |
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Load radius is the distance from the center of gravity of the suspended load tarp the? |
Center of rotation |
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Load radius is the distance from the center of gravity of the suspended load tarp the? |
Center of rotation |
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What is the primary reason for using a boom extension? |
Increase height |
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Load radius is the distance from the center of gravity of the suspended load tarp the? |
Center of rotation |
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What is the primary reason for using a boom extension? |
Increase height |
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What is the minimum design factor required for a right regular lay main, boom or auxiliary hoist rope? |
3.5 |
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Load radius is the distance from the center of gravity of the suspended load tarp the? |
Center of rotation |
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What is the primary reason for using a boom extension? |
Increase height |
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What is the minimum design factor required for a right regular lay main, boom or auxiliary hoist rope? |
3.5 |
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When telescoping the boom section of an RT, which section should be telescope first? |
All sections should be telescoped equally |
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Load radius is the distance from the center of gravity of the suspended load tarp the? |
Center of rotation |
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What is the primary reason for using a boom extension? |
Increase height |
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What is the minimum design factor required for a right regular lay main, boom or auxiliary hoist rope? |
3.5 |
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When telescoping the boom section of an RT, which section should be telescope first? |
All sections should be telescoped equally |
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How does the operator determine if correct load chart is being used? |
Matching serial number |
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Load radius is the distance from the center of gravity of the suspended load tarp the? |
Center of rotation |
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What is the primary reason for using a boom extension? |
Increase height |
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What is the minimum design factor required for a right regular lay main, boom or auxiliary hoist rope? |
3.5 |
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When telescoping the boom section of an RT, which section should be telescope first? |
All sections should be telescoped equally |
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How does the operator determine if correct load chart is being used? |
Matching serial number |
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Net capacity is equal to: |
Gross capacity minus capacity deductions |
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If the SWL(safe working load) have a crane's wire rope is 10,000 lbs using one part, what is the SWL when using four parts? |
40,000 lbs |
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One first arriving on the job site with a mobile crane, the Operator should first determine the condition of the: |
Access roads |
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How does the operator verify the LMI’s boom length or load radius reading? |
Actual measurements |
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If the Raiders capacity of the crane is above the solid line or was in the shaded areas or has an asterisk next to it, this means the capacity is based on: |
Structural competence |
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All hazards and potential problems should be discovered during the: |
Pre-lift site inspection |
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How many broken wires are required in one strand of one lay before a running wire rope must be taken out of service? |
Three |
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In a range diagram, boom length and angle can be used to determine: |
Load radius |
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When using cable or nylon spreaders it is important to remember: |
The lower the spreader angle the greater the tension |
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Backwards stability of a crane is tested with: |
Basic boom at maximum angle with no load |
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Backwards stability of a crane is tested with: |
Basic boom at maximum angle with no load |
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If not listed in the load/ capacity charts for a hydraulic crane and you Are in between boom lengths , you should: |
Use the next longer length |
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When I spinning load presents danger, the Operator should: |
Use a tagline |
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When I spinning load presents danger, the Operator should: |
Use a tagline |
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The Jib capacity is 8 tons and the ball weighs 900 pounds. What is the heaviest load that can be lifted safely? |
15,900 |
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Parts of line means: |
The number of lines running through the load Block |
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If a jib is erected but not being used, it is treated as a deduction from the crane: |
Gross capacity |
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When testing a man basket how long must the test pick be maintained? |
Five minutes |
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Seatbelts shall be provided for which cranes?ANSI |
Cherry pickers ( ANSI) 5-1.8(e) |
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Power is transferred to the swing through a: |
Pinion gear |
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LMI’s shall be installed on cranes with a lifting capacities of : |
3 ton and above |
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When lifting personnel the cranes hook must be the type that: |
Can be closed and locked |
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