OH CDL PRACTICE TEST - GENERAL KNOWLEDGE
41.
If your cargo only fills one-third of the length of your trailer, make sure your cargo is:
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to one side and as close to the ground as possible.
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piled up high with heavy cargo on top.
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centered and spread out as much as possible.
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42.
The air compressor governor:
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controls when the air storage tanks will pump air into the air compressor.
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stops the compressor from pumping air.
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allows the compressor to start pumping air when the tank pressure rises to the "cut-out" pressure.
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43.
You should always be able to stop within:
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50 feet.
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the distance you can see ahead.
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100 feet.
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44.
If a vehicle is equipped with ABS, when you start the engine:
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the spring brakes will come on.
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the ABS indicator light on the dash should come on and then turn off.
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the wheels will lock up.
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45.
If you are feeling drowsy behind the wheel, the only safe cure is to:
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open your windows, allowing fresh air inside your vehicle.
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pull off the road and get some sleep.
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drink a cup of coffee.
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46.
You should check wheel bearing seals for:
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broken leaf springs.
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leaks.
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gasoline.
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47.
If driving in a foggy area, you should NOT:
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use high beams for best visibility.
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slow down before you enter fog.
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use roadside highway reflectors as guides.
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48.
On any upgrade, gravity:
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speed you up.
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doubles your speed.
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slows you down.
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49.
In an emergency:
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you should never turn to miss an obstacle.
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you should keep one hand on the steering wheel.
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stopping is not always the safest thing to do.
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50.
Excessive use of the service brakes results in overheating. Too much heat can:
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cause the brakes to grab.
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cause the brakes apply unevenly.
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make the brakes stop working.
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