MASSACHUSETTS CDL PRACTICE TEST - GENERAL KNOWLEDGE
11.
You should downshift:
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before starting down a hill or entering a curve.
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before starting up a hill.
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before exiting a curve.
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None of the above.
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12.
When going down long, steep downgrades, you should:
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downshifting and then use the brakes.
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only use the brakes.
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rely solely on engine braking to reduce your speed.
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try not to use the brakes.
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13.
Loose engine belts will:
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will make it easier to stop quickly.
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not turn the water pump and/or fan properly, which will result in overheating.
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should not be tightened.
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improve fuel efficiency.
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14.
When driving in very hot weather, you may have to:
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decrease your following distance.
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increase your speed until the tires cool off.
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watch out for black ice.
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reduce your speed to prevent overheating.
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15.
After starting the engine the coolant temperature should:
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rise gradually.
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hold steady.
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rise quickly.
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slowly decrease.
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16.
To reduce driver distraction, you should do all of the following except:
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Eat while driving.
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Pre-program radio stations
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Adjust mirrors before driving
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Plan your route before driving
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17.
When driving a modern truck, the gear you should be in before starting down a hill is usually_____ the gear required to climb the same hill.
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higher than
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lower than
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the same as
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None of the above.
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18.
How does ABS help you?
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ABS makes stab braking more effective.
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ABS helps you avoid wheel lock up and maintain control when you brake hard on slippery surfaces.
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ABS always shortens your stopping distance.
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ABS replaces your normal brakes and helps you to stop faster.
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19.
Cargo should be properly covered:
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to protect people from spilled cargo.
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to protect the weather from the cargo.
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to block your view or someone else’s.
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All of the above.
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20.
Most heavy vehicles require ________ change gears.
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double shifting
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single clutching
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triple shifting
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double clutching
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