TX CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
21.
What is a hazard?
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The most common cause of hydroplaning.
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Something you must stop for.
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Any road condition or other road user that is a possible danger.
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The driver is uncertain about taking the off ramp.
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22.
How do you test hydraulic brakes for leaks?
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Pump the brake pedal ten times and see if it holds.
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Pump the brake pedal three times, then apply firm pressure to the pedal and hold for five seconds. The pedal should not move.
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Pull forward against parking brake to make sure the hydraulic brakes holds.
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None of the above.
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23.
Commercial motor vehicles:
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are only required to have a fire extinguisher when transporting hazardous materials.
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are not required to have a fire extinguisher if they already have reflective warning triangles and other emergency equipment.
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should have a properly charged and rated fire extinguisher and other emergency equipment.
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None of the above.
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24.
When using a fire extinguisher, you should:
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Aim at the base of the fire.
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Aim at the flames.
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Keep as close to the fire as possible.
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All of the above.
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25.
Aggressive driving is the act of:
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operating a vehicle at night.
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operating a vehicle at a safe speed.
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operating a vehicle in a selfish or pushy manner.
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operating a vehicle in the left lane.
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26.
Whether or not you load and secure your load yourself, you are responsible for:
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recognizing overloads and poorly balanced weight.
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knowing your cargo is properly secured.
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inspecting your cargo.
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All of the above.
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27.
Most heavy duty vehicles use ___ air brake systems for safety.
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triple
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dual
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reduced
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single
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28.
Which of the following are key steering system parts?
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Tie rod, drag link, spindle
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Axle, main spring, spring shackle
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Leaf spring, torque rod, front axle hanger
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Lug nuts, rims, tire
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29.
When you are prescribed medications, you should:
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stop taking the medication if you notice it is affecting your driving ability.
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also take medications that prevent drowsiness to stay alert.
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ask your doctor if the drug will affect safe driving ability.
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None of the above.
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30.
What is Gross Vehicle Weight (GVW)?
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The total weight of a single vehicle including its cargo.
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The total weight of a vehicle, including that of any trailers.
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A vehicle's maximum weight rating, specified by its manufacturer.
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None of the above.
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