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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Massachusetts CDL combination test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The test covers the combination vehicles section of the Massachusetts CDL Manual. Take this practice test now to prepare for the actual MA CDL combination test!
1.
When backing a trailer, you should:
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avoid braking.
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turn the steering wheel toward the direction you want to go.
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pull-up frequently to reposition the vehicle.
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not back up in a straight line.
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2.
What is the proper following distance for a 50 foot truck traveling at 50 mph?
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5 seconds
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10 seconds
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6 seconds
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25 seconds
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3.
When you park trailers without spring brakes, you should use wheel chocks:
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to keep the trailer from moving.
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to prevent the transmission from shifting up.
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to prevent air from escaping.
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to prevent overheating.
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4.
When driving in very hot weather, the heat will increase the chances of:
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suspension system defects.
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ABS malfunction.
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tire failure.
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loss of hydraulic pressure.
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5.
When checking the lights before driving:
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make sure the parking brake is not set.
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you should turn off the engine.
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you should check them from inside the vehicle.
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the engine must be running.
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6.
You have two tie-downs on a 15 foot load. How many more tie-downs do you need to secure cargo and keep it from shifting or falling?
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None
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Two
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Three
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One
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7.
Banked curves:
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are reserved for pedestrians.
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have a safe "design speed".
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should always be avoided.
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can be taken at any speed.
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8.
Before entering an intersection, make sure that:
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accelerate smoothly and change gears as necessary.
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That there is enough room for the rear of your vehicle to clear the stop line on your side.
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there is sufficient space to clear it.
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there's enough room to get at least halfway across.
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9.
If driving a new vehicle, you should familiarize yourself with the controls and equipment:
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after pulling into a service station.
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before you start driving.
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as you drive.
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within the first 50 miles.
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10.
Emergency brakes must be must be held on by:
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air pressure.
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water.
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the locking mechanism.
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mechanical force.
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