TEXAS CDL PRACTICE TEST - GENERAL KNOWLEDGE
21.
Air storage tanks:
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use parts of the service brake systems to stop the vehicle in a brake system failure.
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are installed in the first tank the air compressor pumps air to.
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pump air into the air storage tanks.
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hold compressed air for the brakes.
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22.
When inspecting a vehicle's suspension, you should look for broken or missing leaves in the leaf springs. If ____ or more are missing, it will put the vehicle out of service.
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10%
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50%
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25%
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15%
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23.
During the pre-trip vehicle inspection test, when examining hoses with the examiner, look for:
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puddles on the ground.
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spare electrical fuses.
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frays in the water pump belt.
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the temperature gauge.
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24.
To make sure you always have overhead clearance, you must be aware that ________ may have reduced the clearances since the heights were posted.
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packed snow
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the weight of the cargo
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warm temperatures
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water on the road
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25.
The best way to see the rear and sides of your vehicle is to:
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roll down your passenger-side window.
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roll down your driver's window.
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check your mirrors regularly.
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use your rear view camera.
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26.
Loose cargo:
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could hurt or kill you during a quick stop.
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could fall off your vehicle and cause traffic problems.
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can be a danger to others and yourself.
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All of the above.
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27.
To test the service brake:
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gently try to pull forward with the trailer parking brake on, then release the brake.
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push the brake pedal firmly while slowly moving backward.
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shift your transmission to a low gear, pump the brake pedal three times, then hold it down for five seconds.
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push the brake pedal firmly while going about 5 mph.
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28.
To test the service brakes, pull forward at about _____ and apply the brakes firmly using the brake.
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15 mph
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10 mph
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5 mph
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35 mph
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29.
Rust around wheel nuts may mean:
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the nuts are too tight.
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the wheels or rims have had welding repairs.
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the weather is wet.
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the nuts are loose.
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30.
You should do an after-trip inspection:
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at least once a week.
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after each trip.
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once a month.
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after each stop.
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