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174 Cards in this Set
- Front
- Back
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When a doctor prescribes medication and you know you are going to be driving, you should... |
ask the doctor if the medication will affect your ability to drive. |
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When parking on the side of a level straight four-line divided highway, where should you place your reflective triangles? |
10 ft, 100 ft and 200 ft behind |
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Implided Consent |
"You have given your consent to be tested for alcohol in your blood" |
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What is recommended as a way to prevent fatigue during a long trip? |
Periodic stops for rest and exercise |
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What should you do when you see a hazard in the highway ahead of you? |
Use your four-way flashers or brake lights to warn others |
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When should you adjust your speed to keep your stopping distance within your sight of your low beams? |
When driving at night |
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When parked on the side of the road, you should always turn on what? |
Four-way emergency flashers |
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If there is any detectable amount of blood alcohol level, how long are you placed out of service? |
24 hours |
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In the event there is a hazard or emergency, it's best to understand that... |
it's less dangerous to drive on the shoulder of the road than to risk a collision. |
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How many days must you notify your employer of a traffic violation that you have recevied while driving any vehicle? |
Within 30 days |
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What are the three things a vehicle should be equipped with? |
Fire extinguisher, Spare electrical fuses and warning devices for parked vehicles (Triangles, flares, etc) |
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When driving a 40 foot vehicle slower than 40 miles per hour, how many seconds should you be behind the car in front of you? |
4 seconds (One second for every 10 feet of vehicle length) |
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When you need to stop in an emergency, how should your vehicle be positioned? |
Keep your vehicle in a straight line |
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After March 1, 1997, truck tractors with air brakes that are built are equipped with what system? |
Anti-Locking Brake Systems (ABS) |
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Anti-Lock Braking Systems (ABS) |
The system that prevents the wheels from locking when the brakes are applied in a moving vehicle. |
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In newer vehicles with air brakes, the parking brake is controlled by what type of knob? |
A diamond-shaped yellow knob |
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When the air pressure drops to an unsafe psi level on your CMV, what automatically activates? |
Spring Brakes |
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What color is the low pressure warning light? |
Red |
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When inspecting a trailer during a vehicle inspection test, you need to make sure what four things of the landing gear? |
1. Has no missing parts 2. It is fully raised 3. Crank handle is secured 4. No damage to the support frame |
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When approaching your vehicle before an inspection, you should... |
1. Make not of its general condition 2. Ensure of no damage or leaning 3. Look under the vehicle for fresh leaks 4. Check for hazards to movement around vehicle (people, other vehicles or low hanging wires/tree limbs) |
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If improperly loaded or secured, cargo can fall or shift dangerously possibly leading to ... |
Injury or death of driver |
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What are three things that should cause concern when checking your tires? |
1. Cuts 2. Tread separtion 3. Mismatched tire sizes |
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Which lane should you drive in when carrying a heavy load that is slowing you down? |
The right lane |
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How long should air pressure in a dual air brake system build from 85 to 100 psi? |
within 45 seconds |
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Using a retarder may cause wheels to skid when they have poor traction so for safety purposes, when should you turn off retarders? |
When traveling under wet, snowy or icy conditions |
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How should you park in order to leave as safe as possible from a stop? |
You should park so that you can pull forward to leave your parking space. |
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What is the stab braking method? |
When you apply the brakes completely until the wheels lock up, release the brakes until the wheels start rolling, then repeat the process. |
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What happens if your brakes fade? |
They become less effective |
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The air entering air storage tanks may contain what? |
Water and compressor oil |
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What should you do if the low pressure warning signal activates while you are driving? |
Exit the road and park as soon as safely possible. |
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The two indicators that determine when you should upshift are what? |
Engine speed and road speed |
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When you press the brake pedal in the vehicle with S-cam brakes, air pressure pushes out the rod and moves what? |
The Slack adjuster |
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What are the four basic types of retarders? |
1. Exhaust 2. Engine 3. Hydraulic 4. Electric |
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What should you do when making a tight maneuver? |
Use yoiur mirrors frequently |
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Some pre-1975 vehicles have a front brake limiting valve, which has "normal" and "slippery" settings, but based on studies that show these are not really a concern, you should? |
leave on "normal" position |
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What is the maximum leakage rate for a single vehicle with air brakes? |
3 psi in one minute |
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What is the color of ABS malfunction lamps? |
Yellow |
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When you need to travel down hill, when should you switch into a lower gear? |
Before you start moving downhill |
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Air brakes consist of three separate breaking systems which are... |
1. The service brake system 2. The parking brake system 3. The emergency brake system |
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During the static leackage test, the maximum leakage rate for a double combination vehicle is what? |
3 psi in one minute |
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What do some air brake systems use to reduce the risk of ice forming in the air brake valves? |
Alcohol |
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If your vehicle is equipped with a cargo lift, you should make sure that... |
the lift is not leaking |
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Before driving a vehicle with a dual air brake system, you should wait for the air compressor to build up to at least how many psi in both the primary and secondary systems? |
100 |
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The emergency brake system uses: |
Parts of both the parking and service brake systems |
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If using air tanks with manually operated drains, how often should you drain the tanks? |
Every day |
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Accelerating roughly is discouraged because it may... |
Cause damage to the vehicle |
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A visual low pressure warning signal should active before air pressure drops to a level between: |
55 and 75 psi |
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When crossing railroad tracks during the on-road driving skills test, you must not... |
Stop, switch gears, pass another vehicle or change lanes while any part of your vehicle is in the crossing |
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What should you do if you are being followed too closely? |
Increase your following distance, aviod quick moves and avoid relying on tricks to help other drivers pass such as flashing your lights. |
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If you are turning left and there are two available left turn lanes, which lane should you choose? |
The right lane |
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Backing maneuvers that may be included in the basic vehicle control skills test include... |
1. Straight line backing 2. Offset backing/right 3. Offset backing/left 4. Driver side parallel parking 5. Conventional parallel parking 6. Alley docking |
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In a dual air brake system, each system has separate what? |
Air tanks, hoses and lines |
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What can happen if the air pressure gets too low in an air brake system? |
The brakes may not work |
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If equipped with a header board, it should... |
be strong enough to contain cargo. |
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What is a wig wag? |
A type of warning system |
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When operating a CMV, what is the rule concerning text messages? |
You are not allowed to read or send text messages |
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Who is responsible for inspecting a vehicle's cargo? |
The driver |
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In cold weather, an alcohol evaporator should be checked and filled how often? |
Every day |
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Drivers are required by federal and state laws to... |
Regularly inspect their vehicles |
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When taking the basic control skills test, drivers are allowed to check the vehicles position after they... |
Place the vehicle in neutral and set the parking brake before exiting. (No more than twice) |
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What is the penalty for operating a CMV that is placarded for hazardous materials while you are under the influence of alcohol? |
Loss of CDL for three years |
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What is the penalty for operating a CMV without a placard while under the influence of alcohol? |
Normally a loss of CDL for at least one year |
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When checking the tire condition during a vehicle inspection, the wear of the tires should be? |
Even |
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Placards are and should be used when? |
Any time a vehicle is carrying hazardous materials. |
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During a vehicle inspection, you need to make sure that lug nuts are... |
Secured and free of cracks, distortions and rust |
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What should the tread depth be in every major groove of a tire that is not in front of the CMV? |
2/32 of an inch |
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What should the tread depth be in every major groove of a tire in the front of a CMV? |
4/32 of an inch |
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Which system should receive extra attention during a winter weather inspection? |
The Exhaust system |
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Why is it important to shift gears correctly? |
To keep control of your vehicle |
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When appoaching a bridge on a two-lane road you should... |
Check the weight limit of the bridge |
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What causes your vehicle speed to naturally increase on downgrades? |
Gravity |
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What should you do if you are unsure wheather you have enough overhead clearance? |
Find another route that will not require driving under the object. |
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If your brakes fail on a downgrade, you must first... |
Look outside your vehicle for another means of slowing it. |
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When dealing with bad weather and driving conditions, what freezes before roads when the temperature drops? |
Bridges |
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You are driving on a straight level highway at 50 mph and there are no vehicles in front of you, suddenly a tire blows out on your vehicle...what should you do first? |
Stay off the brakes until the vehicle has slowed down |
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When you start your vehicle in motion from a stop or stand still, if your drive wheels start to spin as you apply power, what should you do? |
Take your foot off the accelerator |
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When is a full stop at a railroad crossing required? |
When carrying passengers or hazardous materials (The nature of the cargo makes a stop mandatory under state or federal regulations) |
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If your traveling on a level road and press the brake pedal to find the brake goes to the floor, what can you do? |
Pump brake pedal may bring the pressure up so you can stop the vehicle. |
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What is the best advice for drivers when heavy fog occurs? |
Park at a rest area or truck stop until the fog has lifted. |
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What is a key principle to remember about loading cargo? |
Keep the load balanced in the cargo area |
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What should you do when your vehicle hydroplanes? |
Release the accelerator |
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When you are driving in an area where there are few streetlights on a clear night and are unable to see well with your headlights, what can you do to help? |
Use your high beams when legal and keep your interior lights off |
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Having anti-lock brakes only in your tractor will allow you to have what? |
More control of the vehicle when braking. |
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When driving during winter months, what should you do about radiator shutters? |
Ice should be removed from the radiator shutters |
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When confronted by an aggressive driver, the first thing you should do is... |
Make every attempt to get out of their way |
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When it comes to backing a heavy vehicle, the general rule is.... |
You should avoid backing whenever you can. |
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When driving through heavy rain, your brakes can get wet. What can happen if or when the brakes are applied? |
The trailer can jacknife. |
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When you are driving through a highway work zone, what should you do? |
You should lower your speed even lower any time you see a worker. |
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When should you learn how to use a fire extinguisher? |
Before the fire happens. |
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You should avoid driving thru deep puddles or flowing water, but if you must...what should you do? |
Gently put on the brakes while driving thru the water |
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Where must you keep shipping papers when transporting hazardous materials? |
In the pouch on the driver's door or on the seat. |
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Aggressive driving... |
Driving a vehicle in a selfish mode or pushy manner |
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When hydraulic brakes fail while driving the system will not buildup pressure and the brake pedal will feel spongy or go to the floor, what action should you take? |
Pump the brake pedal to generate pressure |
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When parking your vehicle and yoiu are unsure of your position, you should... |
Get out of the vehicle and check your position |
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If you are driving at an unsafe speed when the road is slippery, what will happen? |
It will take longer to stop, and it will be harder to turn without skidding |
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If you have dual tires and encounter a radial tire failure, what is prevented? |
A result of fishtailing |
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In a straight vehicle or trailer articulation goes into a front wheel skid, it will... |
Go straight ahead even if the steering when is turned |
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How much more is the destructive power whenever you double the speed of your vehicle? |
4x |
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If you react 1/2 a second slower because of a distraction, a chance to crash can... |
Double |
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What is bridge formulas? |
Permits maximum axle weight for axle weight for axles that are closer together |
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When making a vehicle inspection report, when must you sign it? |
When any defects are noted wheather they are certified to be repaird or not needed to be repaired. |
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There is often no need for the parking brake when starting a bus on what type of surface? |
A level surface with good traction |
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What should you do before a drive in the mountains? |
Know the escape ramp locations on your route. |
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For your safety, when setting out reflective triangles you should... |
Hold the triangles between yourself and the oncoming traffic. |
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What do things does alcohol affect when it comes to driving? |
Judgement and self-control |
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How do you kknow if the vehicle youi are driving has anti-lock brakes? |
When you turn on your ignition, a yellow abs malfunction lights up in the instrument panel. |
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You are driving on a two lane road, overcoming driver drifts into your lane and is heading straight for you, which is often the best thing to do? |
Steer to your right |
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When should you consider downshifting for a curve? |
Before you enter the curve. |
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Defensive Driving |
When drivers watch and prepare for hazards |
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Can state inspectors inspect your truck or bus? |
Yes, and they can put it out of service if it's unsafe. |
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What space around your vehicle is the most important to manage? |
The space in the front |
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When should you use your horn? |
When it may help avoid a crash |
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If you must cross into the oncoming lane as you make a turn, you should... |
Watch for oncoming traffic |
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When do most heavy vehicle accidents occur? |
Between midnight and 6am |
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To prevent brake fading you should... |
Select a gear which will keep vehicle to a safe speed on steep downgrades |
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What does emergency braking mean? |
Responding to a hazard by slowing the vehicle |
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When is merging on to a road the safest for you? |
When there is a large enough gap in traffic to enter the road. |
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What three things add up to total stopping distance for your truck or bus? |
1. Perception distance 2. Reaction distance 3. Effective braking distance |
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If your steering wheel play is more than 10 degrees (2 inches on a 20 inch wheel) when performing our pre-trip inspection, what should you do? |
have it fixed before the vehicle is driven |
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How does vehicle weight effect stopping? |
Empty trucks take longer to stop than loaded ones, but this is not always the case for buses |
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When the roads are slippery, you should? |
Make turns as gently as possible |
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Extra care is needed to keep your vehicle centered in your nlane because commercial vehicles are... |
often wider than other vehicles |
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What can cause cargo to catch fire? |
Poor trailer ventilation |
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What is the purpose of retarders? |
To help slow the vehicle while driving to reduce brake wear. |
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What may you encounter when exiting tunnels? |
There may be cross winds |
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When driving thru work zones you should? |
Watch for sharp pavement drop offs |
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When passing another vehicle pedestrian or bicyclist, you should anticipate that... |
They may move into your traffic lane |
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If you are not sure what to use to put out a hazardous material fire, you should... |
wait for qualified fire fighters. |
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Prescription drugs are allowed if... |
the drugs will not affect safe driving ability |
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When trying to stop in a heavier or faster vehicle, the more... |
Heat the brakes have to absorb to stop. |
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That is true about unstable loads such as hanging meat or livestock when on curvy roads? |
You must take extra caution in the curves |
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When dealing with rear wheel braking skids... |
trailers on vehicles can push the towing vehicle side ways. |
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What can change the height of a vehicle? |
The weight of the cargo |
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When should you apply brakes when leaving the road due to a traffic emergency? |
When your speed has dropped to about 20 mph |
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Which lights cannot be checked at the same time? |
Turn signals, Brake Lights and four-way flashers |
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In order to turn quickly, you must have? |
a firm grip on the steering wheel |
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You are driving a vehicle that can safely be driven at 55 mph on an open road, but traffic is now heavy moving at 35 mph even though the speed limit is 55 mph. The safest speed for your vehicle is most likely to be? |
35 mph |
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Per the CDL's driver's manual, why should you limit the use of your horn? |
It can startle other drivers |
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What is necessary to determine the blood alcohol concentration (BAC) for a person? |
The persons body weight |
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What will you feel if a tire blows out at highway speed? |
A vibrating feeling |
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What are there truck escape ramps? |
To help avoid damage to vehicles |
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What is the total weight of a powered unit, the trailer and the cargo called? |
Gross combination weight |
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When a coolant container is part of a pressurized system, what are you able to check with a hot engine? |
The coolant level |
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When should you not use stab braking? |
On vehicles with Anti-lock brakes |
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Hydraulic brakes should be tested when... |
the vehicle is stopped |
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What is the proper way to hold a steering wheel? |
With both hands, on opposite sides of the wheel |
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What is counter steering? |
Turning the wheel back in the other direction after steering to avoid a traffic emergency |
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The distance that you should look ahead of your vehicle while driving amounts to about a mile at highway speeds is? |
1/4 mile |
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Why is a broken exhaust system dangerous? |
Poison fumes could enter the cab or sleeper berth |
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You can see a marking on a vehicle ahead of you, the marking is a red triangle with an orange center. What does the marking mean? |
It may be a slow-moving vehicle. |
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You do not have a hazardous materials endorsement on your CDL license, you can drive a vehicle hauling hazardous material when? |
When the vehicle does not require placards |
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To avoid a crash you had to drive on the right shoulder. You are now driving at 40 mph on the shoulder. How should you move back into the pavement? |
Keep moving at the present speed and steer very gently back onto the pavement. |
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What are containerized loads? |
They are generally used when freight is carried partway by rail, ship or air. |
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Where must placards be placed on a vehicle? |
All four sides |
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You are driving a vehicle at 55 mph on dry pavement. About how much total stopping distance will you need to bring the vehicle to a stop? |
The length of a football field. |
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On which type of fires can you use water on? |
Tires |
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Backing a commercial vehicle is... |
Always dangerous |
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If you are being tailgated, you should? |
Increase your following distance/increase the space in front of your vehicle |
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When driving in cold weather, your tire tread should... |
Provide enough traction to be able to steer and push the vehicle through snow |
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What is the only thing that can overcome fatigue? |
Sleep |
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What should your brake shoes be free of? |
1. Oil 2. Grease 3. Brake fluid |
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if you have a road emergency and must park on the shoulder, how soon should you put out your triangles? |
10 minutes |
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How often should you check your mirrors for a lane change? |
Before you change lanes, after you have signaled after you start the lane change and after you complete the lane change. |
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What does communicating meaning safe driving? |
Tapping your horn when passing, flashing your lights, signaling or using triangles |
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Freeway exits can be dangerous for heavy vehicles, at what speed should you enter the exit? |
At least 5 miles below the posted speed limit. |
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When driving in heavy traffic, you should travel... |
At a speed consistent with the flow of other traffic. |
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How can you tell if it's going to start snowing? |
The mirrors start freezing |
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What is the most important reason for doing a vehicle inspection? |
Safety is the most important reaeson to inspect your vehicle |
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What things should you check during a trip? |
watch gauges for signs of trouble |
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name some key steering parts... |
1. Spindle 2. Tie rod 3. Drag link |
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What should you check on the front of your vehicle during the walk around inspection? |
1. Signal 2. Clearance Lights 3. Headlights |
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How many reflective triangles should you carry? |
3 |
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Why should you back your vehicle towards the driver's side? |
Because you can see better |
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What is a pull-up? |
Re-positioning of your vehicle when backing. |
