MD CDL PRACTICE TEST - GENERAL KNOWLEDGE
11.
Which of the following statements about driving in hot weather is true?
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If a tire is too hot to touch, you should hose it down with water.
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Spots where tar "bleeds" to the surface
provide better traction.
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You should check the tire mounting and air pressure before driving.
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All of the above.
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12.
To back safely, you should NOT:
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use a helper whenever possible.
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back to the right side whenever possible.
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back as slowly as possible and use the lowest reverse gear.
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look at your line of travel before you begin backing.
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13.
If your vehicle is hydroplaning, you should:
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stay off the brake.
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put the vehicle in reverse.
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apply the brakes.
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speed up.
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14.
It's very important to distribute the cargo so it is:
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as high up as possible.
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as low as possible.
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piled up.
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in the centre of the load.
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15.
If the engine catches fire, you should:
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turn off the engine as soon as you can.
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avoid shooting foam from the vehicle's underside.
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open the hood as soon as you can.
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pull into a service station and notify the emergency services.
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16.
Hanging meat in a refrigerated truck can be:
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a very unstable load with a high center of gravity.
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a very unstable load with a low center of gravity.
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a very stable load with a low center of gravity.
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a very stable load if properly distributed.
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17.
In order for you to be seen easily:
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lights should only be used when driving in driving in rainy weather.
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lights should be turned off when driving during the day.
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lights should be clean and working properly.
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All of the above.
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18.
Which of the following is not a rule for using turn signals?
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Signal early
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Signal continuously
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Cancel your signal after you have turned
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Don't signal unless another vehicle is behind you
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19.
How should you apply the brakes when going down a steep downgrade?
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Apply the brakes as hard as you can without locking the wheels.
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You should not brake, and only use engine braking to prevent brake failure.
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Apply the brakes whenever you reach your safe speed, until your speed has been reduced to 5 mph below your safe speed.
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Apply the brakes when you reach the bottom of the downgrade.
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20.
Too much weight on the steering axle can cause:
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poor traction.
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better handling.
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hard steering and damage to the steering axle and tires.
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None of the above.
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