MN CDL PRACTICE TEST - GENERAL KNOWLEDGE
41.
Glad hands are:
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coupling devices.
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securement devices.
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warning devices.
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electronic devices.
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42.
Stopping distance can be affected by:
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Reaction Distance
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Speed
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Perception Distance
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All of the above.
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43.
Weight that is loaded so there is a high center of gravity:
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reduces the chance that the load will shift to the side or fall off.
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makes a vehicle easier to handle.
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causes greater chance of rollover.
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All of the above.
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44.
An antilock braking system (ABS):
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decreases your stopping distance.
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in order to work, requires you to apply the brakes as hard as you can.
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requires a change in the way you brake.
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None of the above:
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45.
Right after it starts to rain, the road is very slippery. Why?
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Because the water mixes with oil left on the road by vehicles.
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Because black ice may form on the road.
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Because rain is very slippery.
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None of the above.
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46.
When approaching a vehicle as part of a pre-trip inspection, the driver should look under the vehicle for all of the following except:
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Coolant
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Fresh oil
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Grease
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Windshield wiper fluid
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47.
______ is responsible for the safe operation of a vehicle.
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The driver
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The vehicle owner
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The supervisor
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The mechanic
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48.
Which of the following statements about drivers fixing an engine or changing a tire is true?
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Roadway traffic is not a danger to them.
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They often do not pay attention to roadway traffic.
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They usually pay attention to the danger roadway traffic is to them.
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They must park within 5 feet of the roadway.
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49.
When driving in hot weather:
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antifreeze should be avoided.
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the engine oil helps keep the engine cool, as well as lubricate it.
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the the tires' air pressure will decrease.
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None of the above.
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50.
_________ are used on many vehicles to provide extra gears.
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Retarders and multi-speed rear axles
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None of the other answers is correct.
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Auxiliary transmissions and power steering cylinders
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Multi-speed rear axles and auxiliary transmissions
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