DC CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
41.
________ is the distance your vehicle will travel, in ideal conditions, while you are braking.
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Stopping distance
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Reaction distance
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Braking distance
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Perception distance
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42.
Foundation brakes are used:
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only with the right wheels.
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at each wheel.
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only with the rear wheels.
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only with the front wheels.
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43.
When steering to avoid a crash, you should:
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not turn any more than needed to clear the hazard.
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apply the brake while you are turning.
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accelerate and steer at the same time.
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lock your wheels while turning.
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44.
When is it safe to remove the radiator cap?
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When you can touch the radiator cap with your bare hand.
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It is always safe.
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As soon as you've stopped, as long as the engine is not hot.
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Whenever coolant has to be added to the system.
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45.
To prevent drowsiness before a trip, drivers should:
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get at least 5 hours of sleep.
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prepare the route carefully, including stopping points.
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drive alone.
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drive at night.
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46.
Hazardous materials placards are:
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Signs put on top of a vehicle that identify the hazard class of the cargo.
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Signs put on the outside of a vehicle to warn others of hazardous materials.
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Signs put on the outside of a vehicle that identify the hazard class and weight of the vehicle.
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None of the above.
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47.
The center of gravity of a trailer should be:
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as low as possible.
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at the front of the trailer.
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as high as possible.
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at the rear of the trailer.
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48.
When the wheels of a trailer lock up, the trailer will tend to swing around. This is more likely to happen when:
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the trailer is fully loaded.
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the trailer is overloaded.
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the trailer is empty or lightly loaded.
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None of the above.
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49.
Which of the following should be checked for looseness, sticking, damage, or improper setting?
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Steering wheel
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Accelerator
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Clutch
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All of the above.
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50.
When you discover a fire, if the trailer doors are hot you should not open them because:
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the temperature of the trailer should not be changed in any way.
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with air many fires do less damage.
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you should use the fire extinguisher on the door.
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opening the doors lets air in and may make the fire flare up.
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