OR CDL COMBINATION TEST - PRACTICE TEST
11.
Which of these statements about brakes is true?
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Brake fade does not result from excessive heat.
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The lighter the vehicle, the more heat the brakes absorb to stop it.
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To stop, the brake shoes and linings are pushed against the outside of the drum.
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None of the above.
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12.
If a load is 50 feet long, the minimum number of tie-downs required is:
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5
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10
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4
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3
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13.
Combination vehicles _________ than single CMVs.
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are much easier to drive
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are safer in bad weather
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require more driving skill
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All of the above.
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14.
Before leaving your vehicle unattended, you should:
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Remove the keys.
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Apply the parking brake.
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Chock the wheels.
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All of the above.
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15.
Most heavy vehicles require ________ change gears.
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single clutching
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double shifting
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double clutching
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triple shifting
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16.
Banked curves:
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should always be avoided.
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have a safe "design speed".
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can be taken at any speed.
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are reserved for pedestrians.
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17.
To unlock the fifth wheel, pull the release handle to the _______ position.
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neutral
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sixth
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closed
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open
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18.
Under a pressurized system, the radiator cap:
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should never be hot.
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should be removed when the coolant is hot.
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should never be removed until the system has cooled.
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should always be cool.
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19.
_________ rigs are much more likely to roll over in an accident than _________ rigs.
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Fully loaded ; empty
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Fully loaded ; overloaded
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Empty ; fully loaded
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Empty ; overloaded
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20.
Broken suspension parts can be very dangerous. When inspecting your vehicle for suspension system defects, look for:
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Spring hangers that allow movement of axle from proper position.
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Damaged air suspension systems.
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Broken leaves in a multi-leaf spring.
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All of the above.
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