MONTANA CDL COMBINATION PRACTICE TEST
11.
When transporting cargo, the cargo should be checked:
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only before the trip.
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only after the trip.
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before the trip and after the first 150 miles.
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before the trip and after the first 50 miles.
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12.
Which of the following will NOT help you prevent rollover?
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Driving slowly around turns.
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Keeping the cargo as close to the ground as possible.
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Using the controlled braking method.
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All of the above.
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13.
You are coupling a tractor to a semi-trailer. After checking the trailer height but before supplying air to the trailer, you should:
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inspect the fifth-wheel.
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raise the front trailer supports.
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connect the air lines to the trailer.
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lock the trailer brakes.
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14.
When approaching a vehicle with a distracted driver, you should:
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maintain your safe following distance.
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quickly pass the vehicle.
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change lanes quickly.
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sound your horn.
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15.
Most hydraulic brake failures occur for one of two reasons, one of which is:
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loss of hydraulic pressure.
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relying too much on the engine braking effect.
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driving in cold weather.
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excessive downshifting.
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16.
When you park trailers without spring brakes, you should use wheel chocks:
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to prevent the transmission from shifting up.
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to prevent air from escaping.
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to keep the trailer from moving.
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to prevent overheating.
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17.
Axle weight is:
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the weight of all the axles added together.
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the value specified by the manufacturer as the loaded weight of one axle.
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the maximum safe weight your tires can carry at a specified pressure.
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the weight transmitted to the ground by one axle or one set of axles.
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18.
Inspecting the fifth-wheel does NOT include:
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checking that there are no cracks in the frame.
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backing until the fifth-wheel just touches the trailer.
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checking for missing or damaged parts.
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making sure that the fifth wheel is in the proper position for coupling.
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19.
Blocking and bracing are:
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driving techniques used to regain control when your drive wheels start to skid.
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used to keep cargo from sliding and to prevent movement of cargo.
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coupling devices used to connect the service air lines from the truck or tractor to the trailer.
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None of the above.
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20.
When backing a trailer, you should:
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turn the steering wheel toward the direction you want to go.
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turn the steering wheel in the opposite direction of the turn.
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avoid using the brakes.
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try to position your vehicle so you can back on a curved path.
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