Knowledge Test Class A #2

FREE Massachusetts CDL Practice Test 2024 - DMV Practice Test

Testing your knowledge from the Massachusetts Commercial Driver's Manual on topics like signaling, road safety, handling road conditions, best driving practices, and safety rules before taking your final written exam is not only a great way to ensure a passing score, but it will also help you become a safer CMV..

Testing your knowledge from the Massachusetts Commercial Driver's Manual on topics like signaling, road safety, handling road conditions, best driving practices, and safety rules before taking your final written exam is not only a great way to ensure a passing score, but it will also help you become a safer CMV driver. The next 50 questions are based on one in the manual that you should be able to answer for your exam, according to the Massachusetts RMV. Each question includes a tip as well as an explanation to help you fully grasp the concept and answer similar problems in the future. As they say, practice makes perfect, so keep trying until you achieve perfection.

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1 . If driving a truck that requires a CDL for operation:

You are only required to wear a seat belt when driving a tank trailer. For safety, you must wear your seat belt at all times while operating a CMV.

2 . If transporting livestock, drivers should be concerned about:

Passing emissions testing. Because live animals can lean during curves, and otherwise move in transit, the weight distribution of a cargo of livestock is unstable. Driving with livestock requires special care.

3 . Trailers should:

Be loaded with all the weight directly behind the cab. Overloading a vehicle is dangerous. It can damage the vehicle and interfere with the driver's ability to control it.

4 . During a walk-around inspection, ensure there are no cracks on the brake drums that are more than ____ of the width of the friction area.

One tenth Before beginning a trip, it is important to check the brake drums during your walk-around inspection. It is unsafe to drive if any brake drum has a crack more than one half of the width of the friction area.

5 . When traveling through multiple states, you should:

Have only one license. A person may never have more than one license. Violations may be punished by a fine or jail time.

6 . How can you prevent drowsiness before a trip?

Schedule long trips at night. To prevent drowsiness on a long trip, strategies include getting adequate sleep beforehand; planning out the route and stopping points in advance; driving with a passenger; and driving at times during which you are normally awake.

7 . Bent lock rings:

Can lengthen tire life. Mismatched, bent, or cracked lock rings are dangerous and should not be used.

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