Knowledge Test Class B - Idaho Cdl

1 . Brakes can get out of adjustment quickly, especially:

If they are hot. In the winter time. If they are used frequently. Click Here Full Cheat Sheet

2 . You must have an air brake endorsement:

To use a vehicle with air brakes. To drive any truck with a trailer. To transport hazardous materials. Take a FREE Practice Test Now

3 . When near a railroad crossing:

You should expect to hear every approaching train. You may not hear a train, even if one is approaching. You will hear two short blasts of a train's horn if a train is approaching. Take a FREE Practice Test Now

4 . Vehicles equipped with Anti-Lock Braking Systems (ABS) have ____ malfunction lamps to indicate when the ABS is not working.

Green Blue Yellow Take a FREE Practice Test Now

5 . When starting from a stop:

A vehicle should shift to the right. A vehicle should be put into third gear. A vehicle should not roll back. Click Here Full Cheat Sheet

6 . To determine if a vehicle can handle a load, you must know:

The vehicle’s suspension rating. The tire rating for the front tires only. The tire rating for the rear tires only. Take a FREE Practice Test Now

7 . When backing a truck, you should:

Only use the side mirrors on the driver’s side. Use both side mirrors. Never use a helper. Take a FREE Practice Test Now

8 . Rims with welding repairs:

Are not safe to be used. Are acceptable to be used on tires on the rear of a vehicle. Are acceptable to be used only when carrying a heavy load. Take a FREE Practice Test Now

9 . If you have an engine fire, you should:

Open the hood as soon as possible. Turn off the engine as soon as possible. Not use a fire extinguisher. Click Here Full Cheat Sheet

10 . When backing with a trailer, turning toward the driver’s side is encouraged:

Because it allows the driver a better view. Because turning toward the passenger side is illegal. Because other drivers can offer assistance. Take a FREE Practice Test Now

11 . If driving a new vehicle, you should familiarize yourself with the controls:

Before you start driving. As you drive. If you feel like you need to. Take a FREE Practice Test Now

12 . During the driving test, the examiner will be scoring you on:

Attitude. How quickly you arrive to your destination. Your general driving behavior. Take a FREE Practice Test Now

13 . CDL applicants must be at least:

18 years old. 21 years old. 25 years old. Click Here Full Cheat Sheet

14 . After starting the engine as part of a pre-trip inspection, the driver should:

Listen for unusual noises. Rev the engine. Deactivate the parking brake. Take a FREE Practice Test Now

15 . Stopping distance can be affected by:

Driving speed. Temperature. Time of day. Take a FREE Practice Test Now

16 . If you remain in neutral for too long while switching gears:

The vehicle will speed up. You may have trouble putting the vehicle into the next gear. You may kill the engine. Take a FREE Practice Test Now

17 . Cargo being transported should be checked:

Only before the trip. Before the trip and again within the first 50 miles of the trip. Only by the loading personnel. Click Here Full Cheat Sheet

18 . When stopping, the brake pedal should be:

Pressed down gradually. Pressed down quickly. Pressed down repeatedly, but not held down continuously. Take a FREE Practice Test Now

19 . If an applicant does not receive an air brakes endorsement:

They cannot operate a vehicle with air brakes. They can only operate a vehicle with air brakes in intrastate commerce. They can only operate a vehicle with air brakes in interstate commerce. Take a FREE Practice Test Now

20 . A second conviction of operating a CMV with a blood alcohol content (BAC) of 0.04 percent or more will result in:

The loss of your CDL for one year. The loss of your CDL for five years. The loss of your CDL for life. Take a FREE Practice Test Now

21 . When should a driver sign a vehicle inspection report?

After every trip If noted defects are repaired After each fueling Click Here Full Cheat Sheet

22 . A Class 1 hazardous material is:

An explosive. Radioactive. Corrosive. Take a FREE Practice Test Now

23 . Which of the following is an indication of standing water on the roadway?

Tire splashes Portions of the pavement that are dry Leaves on the road Take a FREE Practice Test Now

24 . Cargo with a high center of gravity:

Can make a vehicle likely to tip over. Is encouraged in inclement weather. Is required on some roads. Take a FREE Practice Test Now

25 . If the coolant temperature gauge goes above the highest safe temperature, you should:

Continue to drive. Pull over and figure out what's wrong. Run the air conditioner. Click Here Full Cheat Sheet

26 . When driving, your mirrors should:

Not be used, as they are distracting. Not be used unless there is traffic. Be checked regularly. 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 convicted of any traffic violations, excluding parking violations, you must:

Notify your employer within 30 days. Place a sign on the back of your vehicle noting the conviction. Forfeit your CDL for six months. Take a FREE Practice Test Now

28 . When cargo is being loaded, weight should be placed:

As high as possible. As low as possible. As close to the cab as possible. Take a FREE Practice Test Now

29 . Air tank drains should:

Only be used by mechanics. Only be used when it is wet outside. Be used to drain the tanks completely. Click Here Full Cheat Sheet

30 . For a basic vehicle control skills test, you are expected to be able to:

Alley dock. Weave between a line of cones. Complete an emergency stop. Take a FREE Practice Test Now

31 . As part of the vehicle inspection test, you will be asked to:

Explain what you would inspect and why. Replace an electrical fuse. Unload the trailer. Take a FREE Practice Test Now

32 . 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. Take a FREE Practice Test Now

33 . When inspecting your tires, you do not want to find:

Tire tread that is 4/32 of an inch deep. Valve stems without damage. Mismatched tire sizes. Click Here Full Cheat Sheet

34 . What does the air compressor governor do?

It stops the compressor from pumping air. It turns on the air compressor. It stores the compressed air. Take a FREE Practice Test Now

35 . Texting while operating a CMV is:

Illegal. Acceptable on rural roads. Acceptable for drivers contacting their employers. Take a FREE Practice Test Now

36 . A CMV should:

Not have a fire extinguisher, unless it is being used to transport hazardous materials. Not have a fire extinguisher, unless it will be traveling through remote areas. Have a fire extinguisher and other emergency equipment. Take a FREE Practice Test Now

37 . Interstate carriers must have what information affixed to the commercial motor vehicles in their fleet?

Trade name Width of the truck Length of the truck Click Here Full Cheat Sheet

38 . When loading a trailer, it is important to:

Place as little weight as possible over the axles. Place a well-balanced amount of weight over the axles. Place weight over only the axles. Take a FREE Practice Test Now

39 . A commercial motor vehicle driver:

May use any cell phone while driving. May only use a hands-free cell phone while driving, if permitted. May only use a cell phone while driving on rural roads. Take a FREE Practice Test Now

40 . If convicted of speeding while operating your personal automobile in another jurisdiction, you should:

Not worry about your CDL being affected. Notify your motor vehicle licensing agency. Turn in your CDL. Take a FREE Practice Test Now

41 . Applicants seeking a hazardous materials endorsement must pass a threat assessment through which agency?

The TSA The FBI The CIA Click Here Full Cheat Sheet

42 . Hanging meat as cargo is:

Illegal to transport in most states. Always easy to transport. Usually unstable. Take a FREE Practice Test Now

43 . 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

44 . Blocking a load:

Is only done with liquid cargo. Helps to stabilize the load Is dangerous and should never be done. Take a FREE Practice Test Now

45 . When backing a truck, you should:

Only use the side mirrors on the driver’s side. Use both side mirrors. Only use the side mirrors on the passenger's side. Click Here Full Cheat Sheet

46 . When driving down a steep hill, your primary source of braking should be:

Engine adjustments. The brakes. The hand brake. Take a FREE Practice Test Now

47 . To prevent your vehicle from rolling backward when beginning to move, you can:

Partly engage the clutch before taking your foot off the brake pedal. Place the vehicle in second gear. Use the parking brake when stopping. Take a FREE Practice Test Now

48 . During the driving test, the examiner will be scoring you on:

How well-spoken you are. How quickly you arrive to your destination. General driving behavior. Take a FREE Practice Test Now

49 . When checking your mirrors:

The passenger side mirror should not be used. The driver's side mirror should not be used. Mirrors on both sides of the vehicle should be used. Click Here Full Cheat Sheet

50 . 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 Take a FREE Practice Test Now