COMBINATION PRACTICE TEST - RI CDL
11.
Under-loaded front axles can:
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make the steering axle weight too light to steer safely.
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cause poor traction.
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All of the above.
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12.
What are the two basic reasons for covering cargo?
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To protect people from spilled cargo and the cargo from pilferage.
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To protect the cargo from weather and to avoid littering.
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To protect people from spilled cargo and the cargo from weather.
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13.
Tests have shown that trucks with a high center of gravity are more likely to tip over, therefore you should:
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distribute the cargo as low as possible.
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put the lightest parts of the cargo under the heaviest parts.
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All of the above.
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14.
If you smell exhaust fumes in the cab, you should:
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open the windows.
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remember to conduct a post-trip inspection.
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stop immediately.
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15.
If you discover a fire, before opening trailer doors you should:
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feel the doors to see if they are hot.
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use the fire extinguisher on the doors.
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have a helper open the doors.
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16.
If you must drive slowly, how should you alert following drivers?
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Flash your brake lights
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Use your emergency flashers if it is legal
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Turn on your taillights
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17.
If driving a heavy vehicle, you should:
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stay in the left lane.
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try to pass other vehicles going uphill.
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stay in the right lane.
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18.
When your vehicle goes around a corner, the rear wheels follow a different path than the front wheels. This is called:
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skidding.
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front-rear tracking.
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off-tracking.
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19.
If you must stop on a one-way or divided highway, you should place warning devices _______ toward the approaching traffic.
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5, 50 and 500 feet
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10, 100 and 200 feet
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5, 25 and 50 feet
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20.
Tar in the road pavement rising to the road surface in very hot weather:
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is very sticky and will slow down your vehicle.
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does not affect the road surface or driving conditions.
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causes the road to become very slippery.
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