Knowledge Test Class A #2 - District Of Columbia Cdl

1 . Off-ramps:

Are usually safe for trucks. Can be dangerous for trucks. Should not be used by trucks. Should be used only if following another vehicle. Click Here Full Cheat Sheet

2 . Move over laws require a driver approaching a stopped emergency vehicle to:

Move into a lane that is not next to the stopped vehicle. Drive on the shoulder. Move into the far portion of their lane. Increase their speed. Take a FREE Practice Test Now

3 . When checking its automatic transmission fluid, the vehicle:

Should be placed on an incline. Should be placed on a decline. May have to be running. Should be lifted with a jack. Take a FREE Practice Test Now

4 . When a vehicle is started, warning lights and buzzers:

Should stay on for several minutes. Should turn off within a few seconds. Should stay on until manually turned off. Should not come on. Take a FREE Practice Test Now

5 . When checking your vehicle's lights before driving:

The vehicle should be running and in gear. The engine should be turned off. The check can be done from inside the vehicle. The check can be done by looking at a reflection from a shiny surface. Click Here Full Cheat Sheet

6 . While driving, if it is discovered a vehicle's ABS is not working, the driver should:

Put on their hazard lights. Downshift. Brake normally. Use their parking brake to stop. Take a FREE Practice Test Now

7 . An item that is 40 feet long placed on a flatbed trailer should be secured by at least ____ tie-down(s).

One Two Three Four Take a FREE Practice Test Now

8 . Sometimes, when checking the automatic transmission fluid level:

Your vehicle should be parked uphill. Your vehicle should be parked downhill. Your vehicle should be washed. Your vehicle may have to be left running. Take a FREE Practice Test Now

9 . Test the low pressure warning signal:

Once a month. Once a week. Twice a week. Before every trip. Click Here Full Cheat Sheet

10 . The air storage tanks:

Hold only enough air for one braking cycle. Hold enough air for brakes to be used several times if the compressor stops working. Do not hold air unless there is an emergency. Hold enough air for more than 1,000 braking cycles. Take a FREE Practice Test Now

11 . When using the controlled braking method in an emergency situation, you should:

Apply the brakes as hard as possible without locking the wheels. Apply the brakes with about half of your usual force. Apply the brakes so the wheels lock. Apply the brakes with minimal pressure. Take a FREE Practice Test Now

12 . Laws about securing loads and regulating CMV weights may vary from state to state. During interstate travel:

The law of the state in which the trip originated takes precedence. The law of the state the vehicle is in takes precedence. The driver should request federal regulations to override conflicting state laws. The driver can choose which state’s laws to follow. Take a FREE Practice Test Now

13 . If something is found to be unsafe during a pre-trip inspection, you should:

Continue with the trip and make an appointment with a mechanic after the trip is completed. Let a more experienced driver use the truck. Get the issue fixed immediately. Not use the items found to be unsafe, but may continue driving normally. Click Here Full Cheat Sheet

14 . If a CMV driver operates a CMV with a detectable blood alcohol concentration (BAC) that is lower than 0.04 percent, they will be:

Told to stop drinking. Put out-of-service for 24 hours. Required to drive at speeds below 55 mph. Told to drive home. Take a FREE Practice Test Now

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

Check the tightness of the lug nuts. Ensure that the tire tread depth is good. Ensure that the correct tire was changed. See if rocks have gotten into the tread. Take a FREE Practice Test Now

16 . While driving:

A driver does not need to inform others of their intentions. A driver should only use turn signals if a vehicle is next to them. A driver should not use a turn signal if their lane change will be obvious. A driver should always use turn signals to inform others of their intentions. Take a FREE Practice Test Now

17 . Air brakes are:

An effective tool for stopping large vehicles. Prohibited on large vehicles. Only effective in poor weather. A tool to improve fuel efficiency. Click Here Full Cheat Sheet

18 . Belts in the engine compartment should be:

Frayed. Tight. Greasy. Easy to slide off. Take a FREE Practice Test Now

19 . To ensure you do not interfere with traffic while driving a heavy vehicle, you should:

Switch gears while driving uphill. Try to pass other vehicles while driving uphill. Stay in the right lane. Ride the brakes while driving downhill. Take a FREE Practice Test Now

20 . When driving, keeping space between your vehicle and other vehicles is:

Not important. Important. A waste of time. Optional. Take a FREE Practice Test Now

21 . 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

22 . When driving through fog, a driver should:

Use high beam headlights. Use low beam headlights. Run the windshield wipers. Drive on the shoulder. Take a FREE Practice Test Now

23 . During the pre-trip inspection test, you will be:

Expected to explain your knowledge of the pre-trip process. Watching someone else check your vehicle. Watching a film on how to inspect a vehicle. Changing all the tires on your vehicle. Take a FREE Practice Test Now

24 . What is a danger of rolling back when you start to accelerate?

The transmission may be damaged. The truck is not made to go backwards. You may hit a vehicle behind you. You may lose your position in traffic. Take a FREE Practice Test Now

25 . A CMV should:

Not have a fire extinguisher, unless transporting hazardous materials. Not have a fire extinguisher, unless the vehicle will be traveling through remote areas. Not have a fire extinguisher. Have a fire extinguisher and other emergency equipment. Click Here Full Cheat Sheet

26 . You must put out emergency warning devices within ____ of stopping on the side of the road.

One minute 10 minutes 45 minutes Two hours 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 . Tie-downs are used to:

Prevent cargo from shifting. Prevent skidding. Keep doors closed during transit. Label radioactive materials. Take a FREE Practice Test Now

28 . When approaching a downgrade, how can you reduce the amount of braking that will be needed?

Switch to a higher gear. Switch to a lower gear. Switch to neutral. Turn off the engine. Take a FREE Practice Test Now

29 . A dual air brake system:

Has a single air brake system, but uses two sets of controls. Has one air brake system for each side of the truck. Has two brakes for each wheel. Has two separate air brake systems, but uses a single set of controls. Click Here Full Cheat Sheet

30 . If you’re not sure how to handle a fire, you should:

Use water. Stay inside the vehicle. Wait for the firefighters. Keep the vehicle running. Take a FREE Practice Test Now

31 . When inspecting the engine compartment, you should not:

Check the engine oil level. Check the coolant level in the radiator. Drain the brake fluid. Check the windshield washer fluid level. Take a FREE Practice Test Now

32 . What is the only way to sober up after drinking?

Take a cold shower. Exercise. Wait. Drink coffee. Take a FREE Practice Test Now

33 . Brakes can get out of adjustment:

If they are hot. During the winter. If they are used at all. If brakes on one side are used more often than brakes on the other side. Click Here Full Cheat Sheet

34 . If an Anti-Lock Braking System (ABS) malfunctions:

The driver will not know. A yellow lamp will light up on the control panel. The brakes will lock up. The brakes will not work. Take a FREE Practice Test Now

35 . When driving a vehicle equipped with an Anti-Lock Braking System (ABS), you should:

Stop harder than you would in a vehicle not equipped with ABS. Use extra braking force to ensure the ABS kicks in. Brake as you would in a vehicle not equipped with ABS. Brake with less force than you would in a vehicle not equipped with ABS. Take a FREE Practice Test Now

36 . When should you check and adjust your mirrors?

Before starting a trip While driving After a trip Mirrors do not need to be adjusted. Take a FREE Practice Test Now

37 . Before driving a vehicle with air brakes, you should ensure that the spring brakes come on automatically when:

Air pressure falls below 45 psi. Air pressure falls below 20 psi. Driving downhill. Driving uphill. Click Here Full Cheat Sheet

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. Take a FREE Practice Test Now

39 . To prevent fatigue while driving, you should:

Keep the cab warm. Keep the cab cool. Keep the cab poorly ventilated. Close the vents. Take a FREE Practice Test Now

40 . Which factor does not have an impact on a person’s blood alcohol concentration (BAC)?

The number of alcoholic drinks consumed How quickly the alcoholic drinks were consumed The weight of the drinker The temperature of the drinks Take a FREE Practice Test Now

41 . While driving, you should:

Develop plans to get out of any dangerous situation that could arise. Enjoy the scenery. Never look at the mirrors. Focus on your own driving and not worry about other drivers. Click Here Full Cheat Sheet

42 . When carrying a wide load, you should:

Drive as fast as possible. Obtain special permits and follow special rules. Honk at other drivers to get them to move from the lane closest to you. Drive on the shoulder. Take a FREE Practice Test Now

43 . Which of the following is not a crime that would disqualify an applicant from a hazardous materials endorsement?

Kidnapping Smuggling Immigration violations Speeding Take a FREE Practice Test Now

44 . Too little weight on a steering axle can result in:

Poor traction. Increased visibility. Longer stopping distances. Improved gas mileage. Take a FREE Practice Test Now

45 . Bent lock rings:

Are acceptable. Are not a concern in dry weather. Are dangerous. Can lengthen tire life. Click Here Full Cheat Sheet

46 . When approaching a railroad crossing, you should:

Rely on the posted signals to indicate when a train is approaching. Rely on the movements of other motorists to indicate when a train is approaching. Not rely on signals to indicate when a train is approaching. Look to see if nearby plants are moving from the breeze created by a passing train Take a FREE Practice Test Now

47 . If federal inspectors judge your vehicle to be unsafe, they can:

Bring you to a garage to have your vehicle fixed. Formerly request that you have your vehicle's problems fixed. Call a mechanic. Pull the vehicle out-of-service until it is fixed. Take a FREE Practice Test Now

48 . What should happen if the air pressure in the braking system's air tanks falls below 60 psi?

The warning light will come on. The vehicle will not shift out of gear. The front lights will flash. The steering wheel will lock up. Take a FREE Practice Test Now

49 . During a static leakage test, the maximum leakage rate for a single vehicle with air brakes is ____ in one minute.

1 psi 2 psi 3 psi 4 psi Click Here Full Cheat Sheet

50 . A one-way check valve:

Drains the water and compressor oil from the air tanks. Prevents air from escaping if the air compressor has a leak. Activates the emergency brakes when there is a leak. Holds the spring brakes in position until they are used. Take a FREE Practice Test Now