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91 Cards in this Set

  • Front
  • Back
Stab Braking:
Involves applying the brakes and then releasing them after the wheels lock up.
Placards must be:
Placed on all four sides of a vehicle
Which figure shows the correct way to turn?
Figure B: slightly opposing traffic
You should signal continuously while turning because:
You need both hands on the steering wheel to turn safely
The distance that you should look ahead of your vehicle while driving at highway speeds is:
1/4 Mile
On which type of fire can you use water?


The purpose of retarders is to:
The purpose of retarders is to:Help slow the vehicle while driving and reduce brake wear.
Convex mirrors:
Show a wider area than flat mirrors show.
You are driving a newer truck with a manual transmission. What gear will you probably have to use to take a long, steep, downhill grade?
A lower gear than you would use to climb the hill
What should you do if you are not sure if you have enough overhead clearance?
Find another route that will not require driving under the object.
Whenever you double your speed, your vehicle has about __times the destructive power if it crashes.


What is the proper way to hold a steering wheel?
Both hands on opposite sides of the wheel.
Which of these is a good thing to do when driving at night?
Drive slowly enough to stop within range of your headlights.
During a vehicle inspection, checking which of the following will not prevent a fire?
Battery fluid level.
Why is a broken exhaust system dangerous?
Poisonous fumes could enter the cab or sleeper berth.
In your mirror, you see a car approaching from the rear. The next time you check the mirror, you don't see the car. To change lanes, you should:
Wait until you are sure the car isn't in your blind spot.
You are required to stop at a railroad grade crossing when:
The cargo makes a stop mandatory under state or federal regulations.
If your brakes get wet while driving on a rainy day, what can happen when you apple the brakes?
Trailer jackknife.
"Implied consent" means that when you sign the application form, you:
Give your consent to be tested for alcohol in your blood
Which of these items should be tested while the vehicle is stopped?
Hydraulic brake.
Which of these statements is true about staying alert to drive?
Sleep is the only thing that can overcome fatigue
Most serious skids result from:
Driving too fast for conditions.
You should avoid driving through deep puddles or flowing water. But if you can't, which of these steps can help keep your brakes working?
Gently putting on the brakes when driving through water.
You are checking your steering and exhaust systems in a pre-trip inspection. Which of these problems should be fixed before driving?
Steering wheel play--more than 10" (2 inches on a 20-inch wheel.)
Which of these statements is true about double-clutching and shifting
You can use the tachometer to tell you when to shift.
You are starting your vehicle in motion from a stop. As you apply power to the drive wheels, they start to spin. You should:
Take your foot off the accelerator.
You are driving a heavy vehicle. You must exit a highway using an offramp that curves downhill. You should:
Slow down to a safe speed before the curve.
A car suddenly cuts in front of you creating a hazard. Which of these actions should you not take?
Honk and stay close behind the car.
Truck escape ramps:
Help avoid damage to vehicles.
Which of these statements is true about mirror adjustment?
You should adjust your mirrors before you start a trip.
To avoid a crash, you had to drive onto the right shoulder. You are now driving at 40 MPH on the shoulder. How should you move back onto the pavement?
If the shoulder is clear, stay on it until your vehicle comes to a stop. Then move back onto the pavement when it is safe
You must complete a written vehicle inspection report each day. You must sign the report:
If the previous driver noted any defects.
When driving in cold weather, your tire tread should:
Provide enough traction to steer and push the vehicle through snow.
CDL medical certificates must be renewed every:

2 years

If someone is following you too closely you should:
Increase your following distance.

Which of the following is not characteristic of front tire failure?

vehicle fishtail

You do not have a HAZMAT endorsement on your commercial driver's license. You may drive a vehicle transporting hazardous materials when:

The vehicle does not require placards.

You are driving a vehicle at 55 MPH on dry pavement. About how much total stopping distance will you need to bring it to a stop?

Length of a football field

When you are parked at the side of the road at night, you must:

Turn on 4 way hazard lights

What is the term for a commercial vehicle's habit of swinging wide on turns?


For a first offense of driving a commercial vehicle under the influence of alcohol or drugs, you will lose your CDL for at least:

1 year

Which piece of emergency equipment should be in your vehicle?

Warning devices for parked vehicles`

Containerized loads
Are generally used for freight carried part way by rail or ship.
When a coolant container is part of a pressurized system, which of these is true?
You can check the coolant level of a hot engine.
Why will your vehicle's speed naturally increase on downgrades?


Which of these is not part of the engine compartment pre-trip inspection?

Valve Clearance

You are performing a pre-trip inspection on your brakes and suspension system. Which of these statements is true?
Brake shoes should not have oil, grease, or brake fluid on them
What is counter-steering?
Turning the steering wheel back in the other direction after steering to avoid a traffic emergency.
Backing a commercial vehicle is:

Always dangerous

You should use your mirrors to check:
Where the rear of your vehicle is when making turns.
Which of these lights cannot be checked at the same time?
Turn signals, brake lights, and four-way flashers.
Which of these is especially true about your tires in hot weather?
You should check tire mounting and air pressure before driving.
What should you do when your vehicle hydroplanes?
Release the accelerator.
After starting the engine, the:
Coolant temperature gauge should begin a gradual rise to normal.
Which of these statements is true regarding the use of drugs while driving?
Prescription drugs are allowed if a doctor says the drugs will not affect safe driving ability.
If you're not sure how to put out a hazardous material fire, you should:
Wait for qualified firefighters.
Merging onto a road is safest if you:
Wait for a large enough gap in traffic to enter the road.
Which of these statements is true about speed management?
On slippery roads, it takes longer to stop and is harder to turn without skidding.
You are driving a long vehicle that makes wide turns. You want to turn left from one street into another. Both are two-lane, two way streets. You should:
Begin turning your vehicle when halfway through the intersection.
If you need to leave the road in a traffic emergency, you should:
Avoid braking until you speed has dropped to about 20 MPH
What three things add up to the total stopping distance for your truck or bus?
Perception distanceReaction distanceBraking distance.
Which of these items is not checked in a pre-trip inspection?

fuel level

Which of these statements is true about warning other drivers of a stopped vehicle?
Move the rear reflective triangle back if the driver's vision is obscured within 500 feet.
Which of these systems should receive extra attention during a winter weather inspection?
Take extra care to keep your vehicle centered in your lane because commercial vehicles
Are often wider than other vehicles.
Which of these statements is correct about emergency evasive action?
To turn quickly, you must have a firm grip on the steering wheel.
How does vehicle weight affect stopping distance?
Empty trucks can take longer to stop than loaded trucks.
Where must you keep shipping papers when transporting hazardous materials?
In a pouch on the driver's door or on the seat.
When driving through roadway work zones, you should:
Watch for sharp pavement drop-offs.
Which of these is true about a vehicle's overhead clearance?
Cargo weight can change your vehicle's height.
You are driving on a straight, level highway at 50 MPH with no vehicles in front of you. Suddenly, a tire blows out on your vehicle. What should you do first?
Stay off the brake until the vehicle has slowed down
When the roads are slippery you should:

make turns as carefully as possible

When hydraulic brakes fail, the system won't build up pressure and the brake pedal will fell spongy or go to the floor. What action should you take?
Pump the brake to generate pressure.
You are driving a heavy vehicle with a manual transmission. You have to stop the vehicle on the shoulder while driving on an uphill grade. Which of these is a good rule to follow when putting the vehicle back in motion?
Use the parking brake to hold the vehicle until the clutch engages.
Which of these statements is not true about backing a heavy vehicle?
You should back slowly until you slightly bump into the dock.
To determine a person's blood alcohol level concentration, you must know:
How much the person weighs.
Which of these statements is true about rear drive wheel braking skids?
Trailers can push the towing vehicle sideways.

Controlled Braking

Is used to keep a vehicle in a straight line when braking.
Which of these happens when a tire blows out at highway speeds?

A vibrating feeling

How far ahead should a driver look ahead of the vehicle while driving?

12-15 seconds

Which of these is usually true about driving in tunnels?

There may be strong winds when exiting

You are driving a 40 foot vehicle at 30 MPH. The road is dry and visibility is good. What is the leas amount of space that you should keep in front of your vehicle to be safe?

4 seconds

Which of these statements is true about cargo types?
Unstable loads (i.e. hanging meat, livestock) require extra caution on curves.
The total weight of the power unit, the trailer, and the cargo is called:

Gross combination weight

According to Commercial Driver Handbook, why should you limit the use of your horn?

It can startle other drivers.

Which of these statements is true about causes of vehicle fires?
Poor trailer ventilation can cause flammable cargo to catch fire.
When you are passing another vehicle, pedestrian, or bicyclist, you should assume they:
May move into your traffic lane.
Which of these statements is true about bad weather driving conditions?
When the temperature drops, bridges will freeze before roads.
You are driving in heavy traffic at 35 MPH. The speed limit is 55 MPH. The safest speed for your vehicle is:

35 MPH

What statement is true

Many heavy vehicle accidents occur between midnight and 6 AM.
Which of these statements is true about brakes?
Brakes absorb more heat to stop heavier or faster-moving vehicles.