Knowledge Test Class A - North Dakota Cdl

1 . If your coolant level is found to be low, you should:

Drain the radiator. Add more coolant. Add engine oil. Tighten the belts. Click Here Full Cheat Sheet

2 . When driving, your mirrors should:

Not be used, as they are distracting. Not be used unless there is traffic. Be checked regularly. Be checked regularly, but only if it is cloudy. Take a FREE Practice Test Now

3 . Drivers must use a ____ to document all driving hours.

Driver’s log Driver’s itinerary Driver’s form Driver’s sheet Take a FREE Practice Test Now

4 . The minimum tread depth of all major grooves on tires that are not on the front of a CMV should be a minimum of:

1/32 of an inch. 2/32 of an inch. 4/32 of an inch. 3/4 of an inch. Take a FREE Practice Test Now

5 . 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. Click Here Full Cheat Sheet

6 . What is the maximum legal length for a single unit vehicle with two or more axles?

20 feet 30 feet 40 feet 50 feet Take a FREE Practice Test Now

7 . Extremely hot temperatures can cause:

Tire failure. A trailer to disengage. Lights to malfunction. Increased gas mileage. Take a FREE Practice Test Now

8 . During a vehicle inspection, ensure that lug nuts are all of the following, except:

Free of cracks. Free of distortions. Loose. Free of rust. Take a FREE Practice Test Now

9 . What must be done if a load is over-length?

A warning flag must be placed on the end of the load. The load may only be transported between 6 p.m. and 3 a.m. The load must be shortened. The emergency flashers must be activated. Click Here Full Cheat Sheet

10 . The steering wheel should be:

Held with both hands. Held by one hand to allow for other tasks, such as eating and drinking. Held by one hand at a time, alternating between hands. Cracked to allow for an improved grip. Take a FREE Practice Test Now

11 . When preparing to drive in the winter, be sure to check:

The coolant level. The defrosting and heating equipment. The windshield wipers. All of the above. Take a FREE Practice Test Now

12 . 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

13 . Dry bulk tanks:

Usually have low centers of gravity. Usually have high centers of gravity. Usually are not allowed to cross railroad tracks. Cannot be driven on interstates. Click Here Full Cheat Sheet

14 . Tread depth in the major grooves on a front tire should be at least:

3/4 of an inch. 1/2 of an inch. 4/32 of an inch. 1/16 of an inch. Take a FREE Practice Test Now

15 . While driving, your mirrors:

Should not be used. Should only be used when changing lanes. Should be checked regularly. Take a FREE Practice Test Now

16 . 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

17 . Axles that are a maximum of ____ apart are considered to be one axle.

10 inches 12 inches 26 inches 40 inches Click Here Full Cheat Sheet

18 . Hydraulic brakes can fail for one of two reasons. Which of the following is one of those reasons?

There is a loss of hydraulic pressure. You are driving uphill. The brakes get too cold. The brakes are used too much in one day. Take a FREE Practice Test Now

19 . A person working on a disabled vehicle on the shoulder of a road:

Will likely pay attention to traffic on the road. May be focused on the repair and not paying attention to roadway traffic. Is exempt from traffic laws. Should not be assisted. Take a FREE Practice Test Now

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

Cannot be used with air brakes. Should be used on dry pavement. Can assist in maintaining control when braking. Should only be used if all axles have ABS. Take a FREE Practice Test Now

21 . If feeling sleepy while driving, you should:

Press on and finish the trip. Drive faster to arrive to your destination sooner. Leave the road and take a nap. Take an energy pill. Click Here Full Cheat Sheet

22 . During a basic vehicle control skills test, you may be asked to:

Parallel park. Inspect your tires. Monitor your gauges. Pull forward into a parking space. Take a FREE Practice Test Now

23 . When driving down a steep grade:

You should ride your brakes all the way down. Shift into a higher gear as a way to slow down your vehicle. Shift into lower gears as a way to slow down your vehicle. The truck should be put in neutral as a way to slow down your vehicle. Take a FREE Practice Test Now

24 . The air compressor governor controls:

When the air compressor pumps air into the air storage tanks. How fast air is pumped into the air storage tanks. The temperature of air pumped into the air storage tanks. The speed of the vehicle. Take a FREE Practice Test Now

25 . At what psi is the safety valve set to open?

100 psi 150 psi 200 psi 500 psi Click Here Full Cheat Sheet

26 . If your brakes fail on a downgrade, your best hope to stop is:

An escape ramp. Driving on the shoulder. Stay on the road. Hitting a slower vehicle in front of you. 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 . Which part of the truck is the air compressor connected to?

The transmission The engine The radiator The door latch Take a FREE Practice Test Now

28 . An underloaded front axle:

Is important for smooth steering. Is encouraged as front axles are usually less strong than other axles. Is discouraged as it can cause steering problems. Is discouraged as it can improve fuel efficiency. Take a FREE Practice Test Now

29 . To drive a commercial vehicle across state lines, a driver must be at least:

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

30 . What is a way to warn drivers behind you that you will be slowing down?

Turn on the right turn signal followed by the left turn signal. Tap your brake pedal a few times to illuminate the brake lights. Swerve from side to side to get other drivers’ attention. Turn all lights on and off several times. Take a FREE Practice Test Now

31 . After the engine is started, warning lights and buzzers should all:

Stay on. Flicker occasionally. Turn off right away. Turn off once the vehicle begins moving. Take a FREE Practice Test Now

32 . The suspension system:

Holds up the vehicle and its load. Keeps the load the proper distance behind the driver’s compartment. Maintains a safe distance between the vehicle and other vehicles. Lightens the load for the tires. Take a FREE Practice Test Now

33 . What is the maximum legal trailer length?

25 feet 35 feet 48 feet 53 feet Click Here Full Cheat Sheet

34 . What is the maximum legal length for a combination of three or four units?

50 feet 63 feet 75 feet 82 feet Take a FREE Practice Test Now

35 . Which of the following is not an indication of damaged brakes?

Cracked drums Shoes with oil or grease on them Shoes worn thinly Pads free of oil or grease Take a FREE Practice Test Now

36 . Loading cargo onto a vehicle:

Must be done by the driver. May be done by a person other than the driver, and they become responsible for the safety of the cargo. May be done by a person other than the driver, but the driver is responsible for the safety of the cargo. Must be done by a professional loader. Take a FREE Practice Test Now

37 . If a tire fails, the driver should:

Keep one hand on the steering wheel and use their other hand to wave to other drivers. Stomp on the brakes. Not use the brakes. Accelerate. Click Here Full Cheat Sheet

38 . When traveling with cargo, the cargo should be checked:

Only before the trip. Before the trip and after the first 50 miles. Only by loading personnel. Only after arriving to the final destination. Take a FREE Practice Test Now

39 . When double clutching, if you remain in neutral for too long and can’t get your vehicle into the next gear, you should:

Stop the vehicle and start over. Return to neutral, release the clutch, increase your speed, and try again. Skip over your intended gear and move into the next gear. Just keep the vehicle in neutral. Take a FREE Practice Test Now

40 . When stopping, the brake pedal:

Should be pressed down quickly. Should be pressed down gradually. Should be lifted up quickly. Should be lifted up gradually. Take a FREE Practice Test Now

41 . Most heavy-duty vehicles use:

Mono air brake systems. Dual air brake systems. Triple air brake systems. Quadruple air brake systems. Click Here Full Cheat Sheet

42 . If being tailgated, you should:

Drive in the left lane. Drive in the right lane. Speed up. Drive on the shoulder. Take a FREE Practice Test Now

43 . What is aggressive driving?

Operating a vehicle in a selfish or pushy manner Operating a vehicle with some regard for other motorists’ safety Operating a vehicle in the left lane Operating a loud vehicle Take a FREE Practice Test Now

44 . If an approaching driver is using their high beam headlights, you should:

Look directly at the headlights. Flash your high beam lights to remind the driver to switch to their low beams. Look to the right side of your lane until the vehicle has passed. Pull to the side of the road until the vehicle has passed. Take a FREE Practice Test Now

45 . When alley docking, your vehicle should be parked:

With the front bumper on top of the front boundary line. With the rear wheels over the rear boundary line. Straight within the boundaries of the parking space. At an angle within the boundaries of the parking space. Click Here Full Cheat Sheet

46 . When inspecting the exhaust system for defects, which of the following should be fixed?

Missing mounting brackets or clamps A broken exhaust pipe, muffler, or tailpipe Leaking exhaust system parts All of the above Take a FREE Practice Test Now

47 . What do headers do?

Protect the driver during a crash Provide a place for storage Ensure that controls are accessible Act as wind guards Take a FREE Practice Test Now

48 . Using an Anti-Lock Braking System (ABS):

Shortens stopping distance. Shortens brake response time. Provides less control. Provides more control. Take a FREE Practice Test Now

49 . The maximum legal width for any vehicle is:

6 feet. 7 feet, 4 inches. 8 feet, 6 inches. 9 feet, 8 inches. Click Here Full Cheat Sheet

50 . Service brakes should:

Be tested once a month. Only be tested by a trained mechanic. Be tested before every trip. Take a FREE Practice Test Now