COMBINATION TEST ALABAMA - PRACTICE TEST
11.
The service line:
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carries power steering fluid to control the trailer brakes.
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carries air and is connected to relay valves which allow the trailer brakes to be applied more quickly.
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carries air to the parking brake to control the trailer brakes.
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None of the above.
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12.
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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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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increase your speed to approximately 45 mph, and then apply release the brakes.
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13.
If you are being tailgated, you should:
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speed up.
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move to the left lane.
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increase your following distance.
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flash your brake lights.
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14.
During a trip:
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you should watch gauges to make sure that valve caps are not missing.
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you should not watch gauges as they can be misleading.
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you should watch gauges for signs of trouble.
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None of the above.
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15.
To prevent a rollover, the driver should:
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drive on the shoulder if possible.
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make quick lane changes if possible.
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pay extra attention to the coolant level.
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drive slowly around corners, on ramps, and off ramps.
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16.
When transporting cargo, cargo securement must be checked within the first _____ miles of a trip and every _____ miles after.
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50; 150
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50; 250
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100; 150
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150; 250
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17.
If you are feeling sleepy, you should:
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increase your speed to get to the destination quicker.
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slow down and drive on the shoulder of the road.
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pull off the road and rest or take a nap.
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None of the above.
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18.
Anti-lock brakes:
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increase your stopping distance.
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help you stop faster.
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reduce the perception distance.
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keep your brakes from locking up when you brake hard.
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19.
Before driving a vehicle with a dual air brake system, you should allow time for the air compressor to build up a minimum of ____ pressure in both the primary and secondary systems.
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35 psi
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100 psi
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50 psi
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150 psi
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20.
You must check that all shut-off valves are in the open position except the ones:
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on the middle trailer of a set of triples.
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on the first trailer in a set of doubles.
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at the back of the last trailer.
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on the first trailer in a set of triples.
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