Knowledge Test Class B - Massachusetts Cdl

1 . A first conviction of violating an out-of-service order will result in:

Losing your license for one month. Losing your license for 90 days. Losing your license for one year. Losing your license for life. Click Here Full Cheat Sheet

2 . Most heavy vehicles require ____ to change gears.

Double clutching Double shifting Triple clutching Triple shifting Take a FREE Practice Test Now

3 . If you identify a large box in your lane on the road ahead, you should:

Slow down. Speed up. Not be worried because another vehicle will likely hit it before your vehicle. Swerve into another lane of traffic. Take a FREE Practice Test Now

4 . A driver may be disqualified from receiving a hazardous materials endorsement if they:

Have a speeding ticket. Lose their job. Renounce their U.S. citizenship. Work for a foreign company. Take a FREE Practice Test Now

5 . Blocking a load:

Is dangerous and should never be done. Helps stabilize the load. Is only done with liquids. Can only be done in dry weather. Click Here Full Cheat Sheet

6 . When turning quickly to avoid an object in the roadway, you should:

Apply your brakes as you steer. Give yourself extra clearance by turning more than needed to miss the object. Turn just enough to miss the object and avoid turning more. Steer and accelerate at the same time. Take a FREE Practice Test Now

7 . Which of the following is a characteristic of a potentially fatigued driver?

They slept for eight hours before a long trip. They stop periodically during a long trip. They drive alone on a long trip. They drive during the day. Take a FREE Practice Test Now

8 . A cargo of hanging meat:

Is stable due to the placement of the load. Can be problematic because animals may be attracted to the scent of the meat. Is unstable due to its high center of gravity. Is discouraged during the summer months. Take a FREE Practice Test Now

9 . If convicted twice within 10 years of violating out-of-service orders, you will:

Lose your license for a month. Lose your license for 90 days. Lose your license for a year. Lose your license for life. Click Here Full Cheat Sheet

10 . When going down a steep downhill, your primary source of braking should be:

Engine adjustments/downshifting. Using the brake. Using the parking brake. Using ABS. Take a FREE Practice Test Now

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

Drain the radiator. Add more coolant. Add engine oil. Tighten the belts. Take a FREE Practice Test Now

12 . 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

13 . 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. Click Here Full Cheat Sheet

14 . On a wet road, you should reduce your speed:

By about one-half. By about one-third. By about one-quarter. By about one-eighth. Take a FREE Practice Test Now

15 . A vehicle’s center of gravity is:

Not important. Only important in bad weather. Only important during short trips. Very important. Take a FREE Practice Test Now

16 . Water on bridges:

Usually freezes before water on other parts of a roadway. Usually freezes after water on other parts of a roadway. Will not freeze. Is not a concern in cool weather. Take a FREE Practice Test Now

17 . When entering a foggy area, you should:

Stop on the side of the roadway. Pass other vehicles. Slow down. Use your high beam headlights. Click Here Full Cheat Sheet

18 . Most heavy trucks with manual transmissions require ____ to change gears.

Single clutching Double clutching Triple clutching Quadruple clutching Take a FREE Practice Test Now

19 . Which of the following is acceptable?

Dual tires that do not come into contact with each other Tires of mismatched sizes if used only on short trips Retreaded tires on the front of a school bus Tires with cracks Take a FREE Practice Test Now

20 . 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. Take a FREE Practice Test Now

21 . 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. Click Here Full Cheat Sheet

22 . To help your vehicle be seen by others:

Headlights should be clean. Headlights should be turned off during the day. Headlights should be covered with grease. Headlights should only be used in the rain. Take a FREE Practice Test Now

23 . When you leave your vehicle, you should:

Apply the parking brake. Apply the air brake. Not apply any brake. Leave the door open. Take a FREE Practice Test Now

24 . 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

25 . 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. Click Here Full Cheat Sheet

26 . A modulating control valve can control the:

Spring brakes. Landing gear. Air brakes. Anti-lock braking system (ABS). 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 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

28 . Slippery roadways usually:

Make it more difficult to stop a vehicle. Make it easier to stop a vehicle. Make it easier to drive a vehicle. Can be avoided by driving at night. Take a FREE Practice Test Now

29 . When checking your tires, which of the following is not an issue to correct?

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

30 . A driver should always:

Stay in one lane. Have an emergency plan. Stay in the left lane. Travel faster than the speed limit. Take a FREE Practice Test Now

31 . Tires of mismatched sizes:

Can be used only on a front axle. Can be used only on a trailer's axles. Should be corrected before driving. Improve fuel economy. Take a FREE Practice Test Now

32 . A vehicle inspection:

Is a waste of time. Is helpful in identifying minor issues before they become major problems. Should not be done by the driver. Should be performed once a month. Take a FREE Practice Test Now

33 . According to a National Sleep Foundation poll, about ____ of people have driven while sleepy.

10 percent 20 percent 60 percent 100 percent Click Here Full Cheat Sheet

34 . When traveling with cargo, you must make sure the cargo is secure:

No more than two times. Every 150 miles or three hours of driving. Only after traveling up a hill. Only after coming to a hard stop. Take a FREE Practice Test Now

35 . 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. Take a FREE Practice Test Now

36 . When driving in the winter, which of the following should receive extra attention in a pre-trip inspection?

Coolant and antifreeze levels The air conditioning unit Oil levels The air filter Take a FREE Practice Test Now

37 . To stop a vehicle using air brakes:

The brake pedal should be pressed. The brake pedal should be lifted. The brake knob should be pulled out. The brake knob should be pushed in. Click Here Full Cheat Sheet

38 . If you are turning left where there are two available turning lanes:

It is better to take the rightmost lane. It does not matter which lane you use. It is better to take the leftmost lane. You should use both lanes. Take a FREE Practice Test Now

39 . Air tanks usually hold enough compressed air:

For one stop before needing to be refilled. For several stops before needing to be refilled. For a day’s worth of braking. For an unlimited number of stops. Take a FREE Practice Test Now

40 . If cargo on a flatbed trailer is 40 feet long, it must be secured by a minimum of:

One tie-down. Two tie-downs. Three tie-downs. Four tie-downs. Take a FREE Practice Test Now

41 . Anti-Lock Braking Systems (ABS):

Reduce normal braking capacity. Are equipped in addition to other braking systems and do not reduce normal braking power. Are not effective on larger vehicles. Are illegal in some states. Click Here Full Cheat Sheet

42 . Which of the following is not a good rule to follow when using turn signals?

Signal early. Signal continuously. Do not use your turn signal if you think others know what you plan to do. Cancel your signal after the turn is completed. Take a FREE Practice Test Now

43 . If a tire fails, you should:

Loosen your grip on the steering wheel. Immediately apply the brakes. Check your tires after coming to a complete stop. Turn sharply off the road. Take a FREE Practice Test Now

44 . 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

45 . If you must drive very slowly, you should:

Warn other motorists. Drive on the shoulder. Stay in the left lane. Sound your horn. Click Here Full Cheat Sheet

46 . When parked on the side of a road, you should:

Activate your emergency flashers. Turn off all lights. Open the driver’s side door. Stand in the roadway and wave your arms. Take a FREE Practice Test Now

47 . 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. Take a FREE Practice Test Now

48 . When entering a curve, you should:

Get off the roadway. Use the shoulder. Downshift. Take the vehicle out of gear. Take a FREE Practice Test Now

49 . Which of the following could reduce the amount of space between the road surface and an overhead object, such as a bridge?

A repaving of the road Wind An increased amount of traffic Rain Click Here Full Cheat Sheet

50 . Which of the following is a good rule to follow when making a turn?

Honk your horn. Use your arms to get the attention of other drivers. Turn off your turn signal before entering the turn to avoid confusing other drivers. Signal early. Take a FREE Practice Test Now