CDL GENERAL KNOWLEDGE TEST (DC) - PRACTICE TEST
41.
The use of brakes on a steep downgrade is:
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the main braking factor.
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much more effective than the engine braking effect.
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a supplement to the braking effect of the engine.
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dangerous, and should be avoided at all costs.
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42.
ABS will:
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not give you more control over the vehicle during braking.
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increase your average speed.
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not change your normal braking capability.
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shorten your stopping distance.
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43.
If you find anything unsafe during the pre-trip inspection, you are required to:
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get it fixed before driving.
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inform your motor carrier after the trip.
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write it in your inspection report.
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drive cautiously until it is fixed.
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44.
Which of the following statements about managing space is true?
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Smaller vehicles require more space to stop than larger ones.
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You need at least 1 second for each 10 feet of vehicle length at speeds above 40 mph.
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If you find yourself being tailgated, you should increase your following distance.
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Full tank vehicles may take longer to stop than empty ones.
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45.
Retarders:
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apply their
braking power whenever
you push on the accelerator.
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help prevent accidents by applying extra braking power to the non-drive wheels.
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help slow a vehicle and reduce brake wear.
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All of the above.
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46.
The Gross Vehicle Weight Rating (GVWR) is:
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the value specified by the manufacturer as the loaded weight of a combination vehicle.
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the value specified by the manufacturer as the loaded weight of a single vehicle.
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the minimum weight that must be hauled by a vehicle, as specified by the manufacturer.
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the value specified by the manufacturer as the loaded weight of a vehicle, including cargo and trailers.
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47.
Baffles:
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help to prevent cargo overload.
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help to control the forward and backward liquid surge.
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separate the load.
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help to control the side-to-side liquid surge.
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48.
When switching gears, if you remain too long in Neutral:
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the vehicle will speed up.
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the brakes won't work.
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you may have difficulty putting the vehicle into the next gear.
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the ABS won't work.
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49.
An empty truck requires _________ a full truck.
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less stopping distance than
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the same stopping distance as
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a greater stopping distance than
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This is irrelevant.
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50.
What are some advantages of going right instead of left around an obstacle?
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You can avoid a head-on collision.
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There may be a shoulder that you can steer into.
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Someone may be passing to the left.
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All of the above.
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