1 . A cargo cover that flaps in transit:

Is acceptable.
Allows air to get to the cargo to keep it cool.
Can tear away.
Can attract birds.

2 . Convex mirrors:

Cannot be used on vehicles transporting hazardous materials.
Can replace flat mirrors.
Can be help a driver see a large area.
Are illegal in most states.

3 . Which of the following is not an activity that causes a distraction?

Adjusting the radio
Adjusting the CD player
Eating
Checking your mirrors

4 . The driver of a commercial motor vehicle:

Can use any cell phone while driving.
Can only use a hands-free mobile phone while driving.
Can only use a cell phone on rural roads.
Can use a cell phone at night.

5 . How much water must be on a road surface for a vehicle to hydroplane?

Usually several inches
A good amount, such as a large puddle
A small amount
None

6 . A thin layer of ice that forms on road surfaces is called:

White ice.
Black ice.
Green ice.
Blue ice.

7 . A commercial motor vehicle should:

Not be equipped with a fire extinguisher, unless transporting hazardous materials.
Not be equipped with a fire extinguisher, unless the vehicle will be traveling through remote areas.
Never be equipped with a fire extinguisher.
Always be equipped with at least one fire extinguisher.

8 . After a trip:

A vehicle should be placed out-of-service.
A vehicle's oil should be changed.
A vehicle's after-trip inspection should be completed.
A vehicle's battery should be disconnected.

9 . When driving in fog, you should:

Use the windshield wipers.
Use the low beam headlights.
Use the high beam headlights.
Use the heater.

10 . Drivers must be at least ____ to obtain a hazardous materials endorsement.

15 years old
18 years old
21 years old
25 years old

11 . When traveling on a downgrade, a vehicle will:

Slow down.
Travel at the same rate as on level roadway.
Speed up.
Likely swerve to the right.

12 . If you are being tailgated, you should:

Drive on the shoulder.
Pull off the roadway.
Drive faster.
Allow the vehicle to pass.

13 . Stopping distance can be affected by:

Speed.
Number of passengers.
Time of day.
Traffic.

14 . How can you avoid becoming drowsy on a trip?

Get about three hours of sleep beforehand.
Plan ahead, including stopping points.
Do not build exercise into your daily routine.
Schedule the trip at night.

15 . If required to complete a vehicle inspection report in writing, the report must be signed:

Every day.
Only if defects have been noted and certified to have been repaired.
Only if the repairs are estimated to cost more than $1,000.
Only if requested to do so by a law enforcement officer.

16 . Rough acceleration:

Is a good way to stay awake on long trips.
Is distracting.
Can cause mechanical damage.
Should be used to prevent rust from forming.

17 . When testing a parking brake, the vehicle should:

Not be running.
Be placed in a low gear while the driver attempts to pull forward.
Be inspected by a professional mechanic.
Be driven while the parking brake is applied.

18 . In a vehicle with dual air brakes, what happens if one system is low on pressure?

The air from the other system will be used to supplement the system with the low pressure.
The front or rear brakes may not work properly.
All brakes will be inoperable.
The low system will use an auxiliary system to fill the tank.

19 . To obtain a CDL, an applicant must be at least:

15 years old.
18 years old.
21 years old.
25 years old.

20 . When entering a curve, you should:

Get off the roadway.
Use the shoulder.
Downshift.
Take the vehicle out of gear.

21 . Belts in the engine compartment should be:

Frayed.
Tight.
Greasy.
Easy to slide off.

22 . Cargo on flatbed trailers should be:

Tied down.
Glued down.
Left loose.
Pushed to one side.

23 . To check the automatic transmission fluid level in some vehicles, the vehicle:

Should be parked uphill.
Should be parked downhill.
Must be washed.
May have to be left running.

24 . When inspecting underneath your vehicle for leaking fluids, you must look for all the following, except:

Fresh oil.
Coolant.
Grease.
Windshield wiper fluid.

25 . A hand valve can be used to:

Add fuel to a vehicle.
Prevent a truck from rolling backwards when starting from a stop.
Check the oil.
Load cargo.

26 . If your truck or trailer catches fire, you should:

Park in a congested area near trees.
Pull into a service station.
Park near other vehicles.
Park in an open area.
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27 . To stop in a vehicle that uses air brakes, the driver should:

Pull the air brake lever.
Engage the brake lever.
Push the brake pedal down.
Pull the brake pedal up.

28 . When conducting a vehicle inspection, you will need to identify all of the following, except:

The power steering belt.
The water pump belt.
The alternator belt.
The water compressor belt.

29 . When doing an inspection, make sure your brake pads are:

Covered in grease.
Covered in coolant.
Covered in oil.
Free of oil and grease.

30 . While driving downhill, you should brake until you reach a speed that is ____ below your safe speed, then release the brake pedal.

5 mph
10 mph
15 mph
20 mph

31 . If stopped on the side of the road, how should you alert other motorists?

Rely on your taillights.
Sound your horn.
Use your four-way emergency flashers.
Keep the driver's side door open.

32 . Tires of mismatched sizes:

May be used on a tractor.
May be used on a trailer.
Should be used in adverse weather conditions.
Should not be used on a vehicle.

33 . If caught driving without an active license, you will:

Lose your license for at least one month.
Lose your license for at least one year.
Lose your license for five years.
Lose your license for at least 60 days.

34 . You may be denied a HazMat endorsement if:

You are a lawful resident of the United States.
You have renounced your United States citizenship.
You have only been convicted of misdemeanors.
You do not suffer from a mental illness.

35 . A low air pressure warning signal should activate:

When tank pressure falls below 120 psi.
When tank pressure falls below 60 psi.
When tank pressure falls below 10 psi.
When tank pressure falls below 5 psi.

36 . Poisonous fumes can enter a truck's cab due to:

A defective exhaust system.
The wrong type of fuel being used.
A lack of oil in the engine.
Under-inflated tires.

37 . If being shipped on either a flatbed trailer or a trailer without sides, cargo must be:

Glued to the bed.
Strapped down.
Loose to allow it to shift when the vehicle turns.
Heavy enough that it won’t shift.

38 . When a construction worker is close to the road, you should:

Increase your speed.
Decrease your speed.
Not drive in any lane.
Wait until the construction is complete before proceeding.

39 . A serious traffic violation involves each of the following offenses, except:

Excessive speeding.
Littering.
Reckless driving.
Following too closely.

40 . Rough acceleration:

Can damage a vehicle.
Is necessary to warm up parts of the engine.
Is encouraged to improve gas mileage.
Should be done on surfaces with poor traction.

41 . What kind of force must emergency brakes use?

Air pressure
Mechanical
Heavy
Electrical

42 . If you don't know if there is enough space for your vehicle to pass under a bridge, you should:

Speed up.
Swerve back and forth.
Slow down.
Drive on the shoulder.

43 . An Anti-Lock Braking System (ABS):

Decreases your braking distance.
Increases your braking distance.
Creates a loud squeaking noise when being used.
Helps to ensure control while braking.

44 . Looking far ahead of your vehicle when driving is:

Discouraged because the road ahead is not as important as your current location.
Encouraged to help you identify hazards as early as possible.
Not allowed.
Only encouraged when transporting hazardous materials.

45 . When making tight maneuvers, you should:

Open your door for a better look.
Use your mirrors.
Flash your headlights.
Open the cargo door.

46 . During a basic vehicle control skills test, what is considered an encroachment?

The vehicle crossing over an exercise boundary line.
A driver executing a single pull-up.
A driver placing the vehicle in neutral and applying the parking brake.
The vehicle stalling while the driver shifts gears.

47 . If a truck's Anti-Lock Braking System (ABS) is not working:

The truck will not have any brakes.
The truck should be driven only at slow speeds.
The truck will still have brakes.
The truck will lack brakes on its left side.

48 . How many daily hours of sleep does an adult need to maintain alertness?

Six to seven
Seven to eight
Eight to nine
Four to five

49 . How can you prevent drowsiness before a trip?

Get about four hours of sleep.
Plan stopping points into your trip in advance.
Drive alone.
Schedule long trips at night.

50 . Cargo inside a trailer:

Does not need to be secured.
Should be stacked no taller than three feet high.
Should be secured to prevent movement in transit.
Should be loaded with the heaviest items on top of lighter items.