RI CDL TANKER PRACTICE TEST
11.
The trailer hand valve should be used:
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only to test the trailer brakes.
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only on slippery surfaces.
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only when applying the brakes hard.
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12.
If the letter "G" appears in Column 1 of the Hazardous Materials Table, the description must also include:
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the hazard class or division.
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the source of the HazMat.
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the technical name of the HazMat.
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13.
Older trailers do not have spring brakes. If the air supply leaks away:
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there will be no emergency brakes.
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the ABS won't work properly.
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the trailer will stop normally.
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14.
Your vehicle has air brakes. To stop, you should:
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push the brake pedal down.
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pull the parking brake control knob out.
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release the accelerator, push in the clutch, and shift to Neutral at the same time.
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15.
To avoid a crash:
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stopping is always the safest thing to do.
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stopping is not always the best thing to do.
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swerving is always the worst thing to do.
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16.
The hazardous materials regulations require vehicles transporting certain types or quantities of HazMat to display warning signs called:
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placards.
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HazMat warnings.
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reflective triangles.
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17.
Watch out for black ice:
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when it is snowing.
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when the temperature is above freezing and the road is dry.
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any time the temperature is below freezing and the road looks wet.
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18.
Road surfaces where water collects can create conditions that cause a vehicle to hydroplane. Which of the following is an indication of standing water?
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Clear reflections
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Tire splashes
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All of the above.
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19.
Forward-and-back liquid surge is very strong in:
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dry tanks.
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baffled tanks.
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unbaffled tanks.
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20.
The heavier the vehicle:
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the more work the brakes must do to stop it.
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the less work the brakes must do to stop it.
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the higher the center of gravity will be.
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