Knowledge Test Class B - Kentucky Cdl

1 . 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 Click Here Full Cheat Sheet

2 . Driving a CMV with any measurable amount of alcohol in your system will result in being placed out-of-service for:

24 hours. One week. One month. Take a FREE Practice Test Now

3 . Dual tires should:

Always come into contact with one another. Come into contact with one another fairly regularly. Not come into contact with one another. Take a FREE Practice Test Now

4 . While driving, a driver should:

Not be concerned with what is happening on the sides of their vehicle. Be concerned with what is happening on all sides of the vehicle. Not be concerned with what is happening behind the vehicle. Take a FREE Practice Test Now

5 . When slowing down, you should ____ to warn other drivers

Use a turn signal Sound your horn Tap your brakes Click Here Full Cheat Sheet

6 . Always perform the steps of a pre-trip inspection in the same order each time because:

You will be less likely to forget something. You will have more time to complete the inspection. It is required by law. Take a FREE Practice Test Now

7 . Eating while driving is:

A good way to save time. A dangerous activity. Acceptable if you are eating foods that are easy to eat. Take a FREE Practice Test Now

8 . Oversized loads:

Can never be transported by a truck. Should only be transported during the day. Should receive proper authorization to ensure compliance with state and local laws. Take a FREE Practice Test Now

9 . Using the brakes creates heat. If too much heat is produced:

The brakes may not work. The brakes may squeak more than usual. The brakes will brake unevenly. Click Here Full Cheat Sheet

10 . When traveling through a work zone, you should:

Slow down. Speed up. Steer with one hand and keep the other hand free. Take a FREE Practice Test Now

11 . Without the proper amount of oil in its engine:

A vehicle will have difficulty stopping. A vehicle will make quick, jerking movements while being driven. The engine may be quickly damaged. Take a FREE Practice Test Now

12 . When should mirrors be adjusted?

Before driving While driving After driving Take a FREE Practice Test Now

13 . Dry bulk tanks:

Usually have low centers of gravity. Usually have high centers of gravity. Are usually not allowed to cross railroad tracks. Click Here Full Cheat Sheet

14 . A poor balance of weight in a trailer:

Can make handling unsafe. Improves traction. Increases fuel efficiency. Take a FREE Practice Test Now

15 . After a tire has been changed, the driver should stop after a short distance of driving to:

Recheck the tightness of the lug nuts. See if rocks have gotten into the tread. Polish the tire. Take a FREE Practice Test Now

16 . Which of the following is not an example of a distracted person who should concern motorists?

A driver talking to a passenger in their vehicle A person sitting on a bench waiting for a bus A construction worker on the side of the road Take a FREE Practice Test Now

17 . An emergency brake must be controlled by:

Mechanical force. Air pressure. Gravity. Click Here Full Cheat Sheet

18 . You should specifically look out for black ice:

When it is snowing. When the temperature is below freezing and the road looks wet. When the temperature is above freezing and there is snow on the ground. Take a FREE Practice Test Now

19 . ____ are the most likely to be affected by strong winds.

Light vehicles Heavy vehicles Vehicles with open windows Take a FREE Practice Test Now

20 . During the vehicle inspection test, you will be asked to:

Change a tire. Explain to the examiner what you are inspecting and why. Estimate the weight of a load on a trailer. Take a FREE Practice Test Now

21 . When exiting a vehicle, a driver should:

Hop directly from their seat to the ground. Maintain at least one point of contact with their vehicle. Be turned to face their vehicle. Click Here Full Cheat Sheet

22 . The air compressor is connected to the:

Transmission. Engine. Radiator. Take a FREE Practice Test Now

23 . Driving a CMV with a minimum blood alcohol content (BAC) of ____ will result in license disqualification for a minimum of one year.

0.02 percent 0.04 percent 0.08 percent Take a FREE Practice Test Now

24 . If an unusual noise or feeling occurs in a vehicle while it is being driven, the driver should:

Assume it is not a concern and continue driving. Hope the vehicle does alright until it is switched to another driver. Check the situation to determine the proper solution. Take a FREE Practice Test Now

25 . Which of the following is acceptable if found during a pre-trip inspection?

Mismatched tire sizes Tread of 3/32 of an inch in the grooves of the front tires Tires manufactured by different makers Click Here Full Cheat Sheet

26 . Which of the following is not a sign of tire failure?

A loud sound Vibration Smoother steering Take a FREE Practice Test Now

Study tip: Reduce your study time from hours to minutes with a DMV exam “Cheat Sheet” 99.2% of people who use the cheat sheet pass the FIRST TIME Click Here Full Cheat Sheet

27 . If your license for your personal vehicle is suspended:

You do not have to tell anyone. You must tell your employer. It will not affect your CDL. Take a FREE Practice Test Now

28 . When completing an offset back/right parking maneuver, you should:

Pull straight forward, then drive straight back. Drive straight back, then pull forward to the left. Pull straight forward, then back to the right. Take a FREE Practice Test Now

29 . ____ is a thin layer of ice that forms on road surfaces.

White ice Black ice Green ice Click Here Full Cheat Sheet

30 . If being tailgated, you should:

Increase your speed. Increase the amount of space between your vehicle and the vehicle in front of you. Make quick movements. Take a FREE Practice Test Now

31 . Having more than one license will result in a fine of up to:

$100. $500. $5,000. Take a FREE Practice Test Now

32 . When it is difficult to see other vehicles, such as at dawn or dusk, you should:

Keep your lights off. Turn your lights on. Drive on the shoulder. Take a FREE Practice Test Now

33 . The faster you drive:

The shorter your stopping distance will be. The longer your stopping distance will be. The easier it will be to stop your vehicle. Click Here Full Cheat Sheet

34 . While driving a CMV:

You may hold a cell phone to receive a call. You may send text messages. You may not hold a cell phone to make a call. Take a FREE Practice Test Now

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. Take a FREE Practice Test Now

36 . If a tire fails, you should:

Use the brakes. Stay off the brakes. Swerve. Take a FREE Practice Test Now

37 . When checking tires, which of the following should not cause concern?

Too much air pressure Tread of at least 4/32 of an inch on front tires Radial and bias-ply tires used together Click Here Full Cheat Sheet

38 . When checking your tires as part of the pre-trip inspection, you should look at the:

Tire pressure. Tire color. Tire manufacturer. Take a FREE Practice Test Now

39 . As part of the vehicle inspection test, a CDL applicant will be asked to:

Check the engine oil level. Replace a tire. Remove the alternator belt. Take a FREE Practice Test Now

40 . During an inspection, slack adjusters on S-cam brakes should not move more than:

One foot. One centimeter. One inch. Take a FREE Practice Test Now

41 . A first felony conviction involving the use of a CMV will result in loss of license for at least:

One month. One year 60 days. Click Here Full Cheat Sheet

42 . Which of the following is not a warning sign of fatigue?

Difficulty focusing Staying within your lane Rubbing your eyes Take a FREE Practice Test Now

43 . Of the following, which is not a recommended way to spot potential signs of trouble?

Watching the gauges Using your senses Checking critical items only at the beginning and end of a trip Take a FREE Practice Test Now

44 . How much water must be present for a vehicle to hydroplane?

Usually several inches A good amount, such as a large puddle A small amount Take a FREE Practice Test Now

45 . Without engine oil:

A vehicle will get better gas mileage. An engine can be destroyed quickly. An Anti-Lock Braking System (ABS) won’t work properly. Click Here Full Cheat Sheet

46 . Move over laws require:

Emergency vehicles to steer away from moving traffic. Drivers to move into lanes that are not next to stopped law enforcement vehicles. All vehicles to use the left lane. Take a FREE Practice Test Now

47 . While driving a vehicle, if an unusual noise or feeling occurs, the driver should:

Assume it is not a concern and continue driving. Hope the vehicle makes it until it is switched to another driver. Check out the situation to determine the proper solutions. Take a FREE Practice Test Now

48 . When entering traffic, a large vehicle usually needs:

Less space than is needed for a car. About the same amount of space as is needed for a car. More space than is needed for a car. Take a FREE Practice Test Now

49 . Why should the steps of a pre-trip inspection be done in the same order each time?

Because you will be less likely to forget to check something Because it will be faster Because it is required by law Click Here Full Cheat Sheet

50 . What happens if you don’t pass the air brakes endorsement test?

You won’t be permitted to drive a vehicle with air brakes. Your CDL will include an air brake endorsement marked with an asterisk. Your CDL will be invalid. Take a FREE Practice Test Now