CDL GENERAL KNOWLEDGE TEST (RI) - PRACTICE TEST
41.
When you are driving on a slippery road, you should NOT:
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adjust turning and braking to road conditions.
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use the engine brake or speed retarder.
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keep a longer following distance.
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42.
Air storage tanks:
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hold compressed air for the brakes.
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use parts of the service brake systems to stop the vehicle in a brake system failure.
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pump air into the air storage tanks.
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43.
______ is responsible for the safe operation of a vehicle.
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The driver
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The supervisor
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The vehicle owner
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44.
When using a fire extinguisher, you should:
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Keep as close to the fire as possible.
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Aim at the flames.
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Aim at the base of the fire.
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45.
Which of the following helps keep the engine cool in hot weather?
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Driving faster to force more air into the radiator.
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Making sure there is enough engine oil.
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Making sure the anti-lock braking system is on.
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46.
Which of the following statements about driving in very hot weather is true?
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As the temperature of the tire increases, the air pressure of a tire decreases.
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You should inspect the tires every 2 hours or every 100 miles.
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If a tire is too hot to touch, keep driving to cool it off.
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47.
When the temperature is below freezing, which of the following areas may be slippery?
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Bridges
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Wet roads
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All of the above.
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48.
Which of the following is NOT true?
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ABS will change the way you normally brake.
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ABS only comes into play when a wheel would have locked up because of over braking.
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ABS won't compensate for bad brakes.
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49.
Driving in very hot weather:
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should never be done.
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can decrease oil pressure.
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can increase tire pressure.
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50.
When your drive wheels have poor traction, you should:
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only use the retarder on the front wheels.
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turn the retarder off.
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turn the retarder on.
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