IL CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
41.
The air compressor governor:
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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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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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All of the above.
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42.
Which of the following will help a drinker sober up?
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Fresh air
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Time
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Drinking coffee
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All of the above.
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43.
To avoid distractions while driving, you should:
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adjust vehicle controls and mirrors prior to driving.
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smoke, eat, and drink only when the road is straight.
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use your phone only when there is no traffic around you.
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try to engage in complex conversations with the other occupants.
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44.
During the after-trip inspection, if you notice anything affecting safety or potentially leading to a mechanical breakdown, you should:
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make a written report.
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try to fix the problem yourself.
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tell the shipper to make a written report.
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ask the motor carrier to make a written report.
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45.
When you need to brake, you should warn the drivers behind:
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by turning on the 4-way emergency flashers.
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by flashing your brake lights.
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by changing lanes.
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by making gestures.
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46.
When inspecting your vehicle, before checking the engine compartment be sure that:
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the parking brakes are on and/or wheels chocked.
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all lights are working.
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all tires are properly inflated.
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the fire extinguisher is properly charged and rated.
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47.
______ is operating a motor vehicle with the intent of doing harm to others.
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Road rage
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Aggressive driving
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Excessive driving
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All of the above.
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48.
Backing is dangerous because:
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cargo may fall out.
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you need to back toward the passenger driver side so you can see.
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you cannot see everything behind your vehicle.
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you have to turn the steering wheel toward the direction you want to go.
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49.
The safety relief valve is located:
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on the dashboard.
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in the front brake.
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in the first tank the air compressor pumps air to.
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on each end of the vehicle's axles.
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50.
If you become drowsy while driving, you should:
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try to fight it.
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open the windows to get some fresh air.
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drink plenty of coffee.
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take a break.
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