LA CDL COMBINATION PRACTICE TEST
11.
_________ can make vehicle handling unsafe.
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Poor weight balance
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Dry roads
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ABS
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Poor ventilation
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12.
An Anti-lock Braking System (ABS):
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always shortens your stopping distance.
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increases your normal braking capability.
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keeps your wheels from locking up when you brake hard.
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lets you drive faster.
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13.
Glad hands are used to:
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the air compressor is connected to the engine.
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connect the brakes from the truck or tractor to the trailer.
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connect the service and emergency air lines from the truck or tractor to the trailer.
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connect the electrical lines from the truck or tractor to the trailer.
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14.
A vehicle inspection should be done in the same order each time:
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because the report must be written in that order.
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because it is required by law.
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because it's much quicker.
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so you are less likely to forget something.
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15.
If your truck catches fire, the first thing you should do is to:
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get the vehicle off the road and park near other vehicles.
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pull off the road and park in an open area.
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pull into a service station and call for help.
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get off the vehicle, open the hood and start shooting foam to keep the engine cool.
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16.
Hanging meat in a refrigerated truck can be:
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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 low center of gravity.
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a very unstable load with a high center of gravity.
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17.
When driving in very hot weather, the heat will increase the chances of:
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loss of hydraulic pressure.
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ABS malfunction.
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tire failure.
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suspension system defects.
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18.
You have two tie-downs on a 15 foot load. How many more tie-downs do you need to secure cargo and keep it from shifting or falling?
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One
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Two
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Three
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None
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19.
The service line is also called:
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signal line or air line.
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pressure line or signal line.
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control line or signal line.
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carrier line or control line.
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20.
Which of the following is not a reason for covering cargo?
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To protect the cargo from weather
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To prevent other drivers from looking at the cargo
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To protect people from spilled cargo
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All of the above.
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