CDL PRACTICE TEST - GENERAL KNOWLEDGE (COLORADO)
11.
What is the most important hand signal you should agree on with a helper?
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Stop
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Go forward
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Keep backing
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Turn right
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12.
What should you do to test your hydraulic brakes for leaks?
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Pump the brake pedal five times, then apply pressure for three seconds.
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Hold the brake pedal down for five seconds, then pump it three times.
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Pump the brake pedal three times, then apply pressure for 9 seconds.
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Pump the brake pedal three times, then apply pressure to the pedal and hold for five seconds.
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13.
When inspecting mirrors and windshields for dirt, cracks, illegal stickers, and other obstructions to seeing clearly, you should:
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clean and adjust as necessary.
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leave it as is and write any instructions or notes on the vehicle inspection guide.
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write all necessary adjustments in your pre-trip inspection.
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None of the above.
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14.
No matter how small the cargo is, it should have at least:
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6 tie-downs.
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4 tie-downs.
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1 tie-down.
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2 tie-downs.
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15.
If stopped on a hill, how can you start moving without rolling back?
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Partly engage the clutch before you take your right foot off the brake, put on the parking brake if necessary.
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Release the parking brake before you have applied enough engine power to keep from rolling back.
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Press on the gas pedal, even if you have to roll back a little.
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None of the above.
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16.
Checking the engine compartment during the seven-step inspection does NOT include checking:
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the battery fluid level.
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the power steering fluid level.
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the engine oil level.
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the engine oil temperature.
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17.
When a tire fails, you must:
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stay off the brake.
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hold the steering wheel firmly.
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get out and check all the tires after you have come to a stop.
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All of the above.
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18.
What are some advantages of going right instead of left around an obstacle?
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There may be a shoulder that you can steer into.
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You can avoid a head-on collision.
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Someone may be passing to the left.
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All of the above.
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19.
Hazardous materials can be recognized by looking at the container's:
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color.
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type.
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label.
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shape.
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20.
Blood Alcohol Concentration (BAC) is determined by:
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how frequently you drink.
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the type of alcohol you drink.
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the amount of alcohol you drink.
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All of the above.
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