CDL GENERAL KNOWLEDGE TEST (FL) - PRACTICE TEST
21.
The aggregate working load limit of your cargo tie-downs must be at least _____ times the weight of the cargo.
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2
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1.5
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1/2
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4
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22.
Front brake limiting valves were used to:
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reduce the chance of the front wheels skidding on slippery surfaces.
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reduce exhaust emissions.
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prevent overheating of the front tires.
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reduce your speed so further braking or shifting is not required.
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23.
ABS:
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allows you to brake harder.
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replaces your normal brakes.
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should only be used on dry roads.
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is an addition to your normal brakes.
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24.
Your safety equipment must include:
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a dimmer switch.
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a properly charged and rated fire extinguisher.
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spare electrical fuses (only if your vehicle is equipped with circuit breakers).
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an inter-axle differential lock.
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25.
When a combination vehicle goes around a corner:
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the rear wheels of the trailer will never off-track.
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the front and rear wheels follow a different path.
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the driver must keep the rear of your vehicle far away from the curb.
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All of the above.
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26.
A burning tire must be:
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immediately removed from the vehicle.
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covered with cloth.
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cooled with water.
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None of the above.
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27.
Engine oil pressure should come up to normal within _________ after the engine is started.
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two minutes
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seconds
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ten minutes
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five minutes
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28.
When backing a trailer, you should turn the steering wheel to the right to make the trailer go left (or vice versa). Once the trailer starts to turn, you should:
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keep backing up.
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turn the wheel more in the direction you want to go.
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turn the wheel the other way to follow the trailer.
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None of the above.
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29.
Blocking and bracing are:
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coupling devices used to connect the service air lines from the truck or tractor to the trailer.
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driving techniques used to regain control when your drive wheels start to skid.
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used to keep cargo from sliding and to prevent movement of cargo.
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None of the above.
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30.
The law requires __________ to inspect a commercial motor vehicle before a trip.
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the owner
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a qualified inspection technician
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a qualified testing engineer
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the driver
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