TEXAS CDL PRACTICE TEST - GENERAL KNOWLEDGE
11.
Cargo tie-downs are used to:
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keep cargo from shifting or falling.
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prevent right-turn accidents.
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prevent freezing.
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prevent skidding.
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12.
When driving on long and/or steep downgrades, to select an appropriate safe speed you should consider:
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the length of the grade.
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the total weight of the vehicle and cargo.
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the road conditions.
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All of the above.
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13.
If you are driving a 40-foot vehicle at 35 mph, you should leave at least _____ between you and the vehicle ahead.
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5 seconds
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6 seconds
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3 seconds
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4 seconds
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14.
When the road is slippery, you should:
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reduce your speed.
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slightly increase your speed to reach the next stop.
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apply the brakes, then let the wheels turn freely.
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release the accelerator and push in the clutch.
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15.
Air brakes:
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should be used only when driving on wet roads.
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are prohibited on larger vehicles.
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are an effective way to stop large and heavy vehicles.
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can improve fuel efficiency.
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16.
To test the parking brake:
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turn off the engine.
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gently try to pull forward with the parking brake on.
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check that all shut-off valves are in the open position.
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step on and off the brake pedal to reduce air pressure.
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17.
A bridge formula permits less maximum axle weight for axles that:
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have a high center of gravity
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are closer together
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have poor weight balance
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are further apart than normal
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18.
Why should you put the starter switch key in your pocket during the pre-trip inspection?
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So you don't lose it.
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You will need it to inspect the trailer.
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So no one moves the vehicle while you are inspecting underneath it.
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All of the above.
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19.
When preparing to make a right turn, you should NOT turn wide to the left as you start the turn. Why?
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A following driver may try to pass you on the right.
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Turning wide to the left can cause your vehicle to tilt.
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It makes the turn harder.
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A following driver may try to pass you on the left.
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20.
If your vehicle gets stuck on a railroad track, you should:
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try to re-start the vehicle.
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stay in the vehicle and call for help.
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stay in the vehicle and call your dispatcher or supervisor for instructions.
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get out of the vehicle and walk as far away from the tracks as possible.
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