ND CDL DOUBLES TRIPLES PRACTICE TEST
11.
Which of the following may have reduced the clearances since the heights were posted at bridges and overpasses?
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Repaving of the road
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Traffic
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The weight of a cargo
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Rain
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12.
As you approach off ramps and on ramps, remember:
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that braking and turning at the same time can be a dangerous.
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that the posted speed limit may be safe for automobiles, but may not be safe for larger vehicles.
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to slow down before you get on the curved part of an off ramp or on ramp.
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All of the above.
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13.
ABS helps you:
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drive faster.
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stop faster.
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brake harder.
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None of the above.
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14.
Which of the following will off-track the most?
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The rear wheels of the tractor.
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The front wheels of the last trailer.
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The front wheels of the tractor.
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The rear wheels of the last trailer.
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15.
You hear a loud "bang" which sounds like a tire blowout. You should:
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inspect your tires with your mirrors.
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assume you
have a tire failure.
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check the tires at the next stop.
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keep driving as normal.
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16.
During a walk around inspection of a combination vehicle, drivers should check that:
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all locking pins are present and locked in place.
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the glide plate is securely mounted to the trailer frame.
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the locking jaws are around the shank.
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All of the above.
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17.
When more cargo is piled up in a truck, the center of gravity moves:
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to the right side of the truck.
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to the left side of the truck.
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closer to the ground.
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higher up from the road.
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18.
Hanging meat in a refrigerated truck can be:
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a very unstable load with a low center of gravity.
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a very stable load if properly distributed.
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a very stable load with a low center of gravity.
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a very unstable load with a high center of gravity.
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19.
An ABS system:
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decreases your stopping distance.
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requires a change in the way you brake.
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helps increase a vehicle's stopping power.
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is a safety anti-skid braking system.
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20.
It's very important to distribute the cargo so it is:
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as high up as possible.
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in the centre of the load.
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piled up.
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as low as possible.
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