CDL GENERAL KNOWLEDGE TEST (NC) - PRACTICE TEST
41.
Stopping distance can be affected by:
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Speed
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Reaction Distance
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Perception Distance
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All of the above.
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42.
Poor weight balance:
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makes it easier to turn.
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increases fuel efficiency.
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can make vehicle handling more difficult.
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improves handling.
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43.
Before driving a vehicle with a dual air system, allow time for the air compressor to build up a minimum of ____ pressure in both the primary and secondary systems.
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25 psi
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50 psi
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100 psi
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75 psi
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44.
When you're going uphill and a heavy load is slowing you down, you should:
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stay in the left lane if you can.
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pass another slow vehicle to gain speed.
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drive on the shoulder if you can.
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shift into a lower gear.
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45.
When checking the steering system during your pre-trip inspection you should look for:
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mismatched lock rings.
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steering wheel play of more than 10 degrees.
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cracked drums.
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shoes or pads with oil or grease on them.
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46.
To make the brakes work, air brakes use:
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compressed air.
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nitrogen.
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hydraulic air.
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carbon monoxide.
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47.
______ is responsible for the safe operation of a vehicle.
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The mechanic
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The driver
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The vehicle owner
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The supervisor
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48.
If you've been drinking alcohol, only ____ will sober you up.
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time
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a cold shower
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exercise
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black coffee
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49.
Skids happen whenever:
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the weight limit is exceeded.
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tires lose their grip on the road.
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dual tires come in contact with each other.
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ABS is not working.
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50.
A high center of gravity means:
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a rollover is less likely.
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the spring brakes will come fully on.
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you are more likely to tip over.
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you'll have better traction.
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