To correct a drive-wheel braking skid you should..
C ) Countersteer
A drive-wheel braking skid turns the vehicle off course. As the vehicle turns back on course, it has a tendency to keep on turning. Therefore, you need to turn the steering wheel quickly the other way (countersteer) so that you don't skid in the opposite direction.
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Dry bulk tanks and hanging meat
A ) Are unstable loads
Dry bulk tanks and hanging meats are unstable loads that can shift easily from vehicle movement.
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Which of the following is true about a vehicle with a high center of gravity?
B ) The cargo should be rearranged so that the heavist parts of the cargo are under the lightest parts
A high center of gravity is created by cargo piled up high, or heavy cargo piled on top. Therefore, you should put the heaviest parts of the cargo under the lightest parts.
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Which of the following statements about tank vehicles is true?
D ) Special skills are required to haul liquid tanks
Hauling liquids in tanks requires special skills because of a high center of gravity and liquid movement.
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Poor weight balance can make vehicle handling unsafe. Hard steering is caused by:
D ) Too much weight on the steering axle
Too much weight on the stering axle can cause steering and damage to the steering axle and tires.
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What is the total stopping distance when driving a heavy vehicle on dry pavment at 55 mph?
A ) 6 Seconds
The total stopping distance is the total of the perception, reaction and braking distance time. Perception and reaction time are both 3/4 of a second and the braking time is 4 1/2 seconds. 4 1/2 + 3/4 + 3/4 seconds = 6 seconds
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To prevent skidding, you should..
D ) Adjust to conditions while driving
Drivers should adjust their driving to conditions so they don't find themselves suddenly driving too fast, braking too hard or steering too sharply to keep control of the tires on the road.
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If you are driving a long distance, you should
A ) Stop often and take short breaks before you feel really drowsy or tired
You should take short breaks often and before you are tired. Short breaks can keep you alert, and to prevent yourself from getting tired, the time to take a break is before you feel drowsy.
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Blocking cargo is
B ) Used in front, back and/or sides of a piece of cargo
When a entire piece of cargo needs to be secured to keep it from sliding, blocking is used. Blocking is shaped to fit snugly against the cargo to keep it in place. Therefore, it should be used on all sides of a piece of cargo.
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Which of the following should you not do in the event of hydraulic brake failure?
D ) Shift up
If your brakes have failed, shifting up will only cause the vehicle to go faster and be harder to stop. The question asks you what you should not do and that answer is "Shift Up"
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