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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.
If you get stuck on the railroad tracks, the first thing you should do is:
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stay in your vehicle and call 911.
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scream for help.
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immediately get out of the cab and move away from the tracks.
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try to move your vehicle until you see the train.
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2.
You are driving on a steep downgrade in the proper low gear. Your "safe" speed is 40 mph. When your speed reaches 40 mph, you should:
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apply the brakes to gradually reduce your speed to 35 mph, and then release the brakes.
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increase your speed to approximately 45 mph, and then apply release the brakes.
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maintain your current speed, and apply the brakes when you reach 50 mph to gradually reduce your speed to 40 mph.
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apply the brakes to quickly reduce your speed to 25 mph, and then release the brakes.
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3.
The parking brake:
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should be used when driving in bad weather.
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should be used whenever you park.
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should be used when you need to apply the brakes firmly.
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All of the above.
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4.
To reduce the chance of rollover, you should:
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place the cargo as high as possible inside the trailer.
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put the lightest parts of the cargo under the heaviest parts.
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distributed the cargo as low as possible inside the trailer.
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None of the above.
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5.
When the wheels of a trailer lock up, the trailer will tend to swing around. This is more likely to happen when:
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the trailer is fully loaded.
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the trailer is empty or lightly loaded.
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the trailer is overloaded.
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None of the above.
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6.
When transporting cargo, cargo securement must be checked within the first _____ miles of a trip and every _____ miles after.
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150; 250
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100; 150
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50; 150
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50; 250
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7.
You should test the coupling by:
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applying the parking brakes so the rig will not move.
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disconnect the safety chains.
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locking the pintle hook.
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pulling against the pin of the second semitrailer.
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8.
When driving in a construction zone, if a construction worker is near the road, you should:
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maintain a constant speed.
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further reduce your speed.
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speed up.
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come to a complete stop.
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9.
After starting the engine, oil pressure should rise to a normal level:
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within 2 minutes.
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within seconds.
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within 6 minutes.
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within 3 miles.
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10.
When connecting the glad hands, you should press the two seals together with the couplers at a ______ angle to each other.
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30 degree
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180 degree
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90 degree
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45 degree
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