COMBINATION TEST RHODE ISLAND - PRACTICE TEST
11.
If a worker is close to the roadway in a work zone, you should:
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drive at the posted speed limit.
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reduce your speed below the posted speed limit.
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pull off the road and stop.
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12.
Passive railroad crossings:
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should never be crossed using a CMV.
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do not have traffic control devices.
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have at least one traffic control device.
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13.
If an aggressive driver is involved in an accident down the road, you should:
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stop a safe distance from the accident scene, wait for the police and report the behavior you witnessed.
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confront the aggressive driver.
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try to get their vehicle to the side of the road.
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14.
The wheels of a large combination vehicle are more likely to lock up when:
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the trailer has new tires.
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the vehicle is lightly loaded.
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the vehicle is heavily loaded.
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15.
If the drive wheels start to skid:
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push in the clutch to let them turn freely.
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accelerate slightly to regain control.
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use the brakes to slow down.
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16.
Broken suspension parts can be very dangerous. When inspecting your vehicle for suspension system defects, look for:
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Spring hangers that allow movement of axle from proper position.
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Broken leaves in a multi-leaf spring.
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All of the above.
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17.
Which of the following is NOT part of the procedure to stop a trailer skid?
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Recognizing the skid
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Using the trailer hand brake to get traction back
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Not using the hand brake
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18.
You should not use the trailer hand brake to straighten out a jackknifing trailer. Why?
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The brakes on the trailer wheels caused the skid in the first place.
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You should use the emergency break instead.
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You should use the service break instead.
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19.
You are checking the tractor-trailer connection to make sure it is safe and secure. The landing gear should be:
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fully lowered.
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raised slightly off the ground.
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fully raised.
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20.
If your vehicle is equipped with air brakes, loss of air pressure in the emergency line will cause:
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the springs to put on the brakes.
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the vehicle to slide back and forth.
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the trailer emergency brakes to come on.
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