WA CDL PRACTICE TEST - GENERAL KNOWLEDGE
11.
Federal, state, and local regulations for commercial vehicles:
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only apply to CMV's operated in interstate commerce.
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vary from place to place.
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do not apply to CMV's operated in intrastate commerce.
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12.
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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ask the motor carrier to make a written report.
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13.
Water
in the brakes can cause the brakes to:
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overheat.
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be weak or apply unevenly.
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fade.
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14.
When should you use the 4-way emergency flashers instead of flashing the brake lights to warn the drivers behind you?
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When you are driving very slowly or are stopped.
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At night time.
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When visibility is poor.
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15.
When you park your vehicle and turn off the engine:
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move the gear shift to first gear, if possible.
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activate your right turn signal.
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apply the parking brake.
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16.
Before transporting a sealed load, you must check that:
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the load is properly secured.
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the cargo is piled up.
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the placard numbers and the seal numbers match.
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17.
On engine start, you should:
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check for minimum tread depth.
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check the oil level.
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make sure the oil pressure gauge is working.
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18.
When driving a 50-foot truck at 40 mph, your minimum following distance should be:
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4 seconds
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5 seconds
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6 seconds
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19.
When checking the condition of wheels and rims during the pre-trip inspection, make sure that:
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the end of the kingpin is even with the top of the fifth wheel.
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no studs, spacers, clamps, or lugs are missing, bent, or broken.
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no more than two lug nuts are missing.
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20.
Which of the following is a clue to a drunk driver?
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Not changing lanes
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Driving at a constant speed
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Waiting too long at a stop
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