ARIZONA CDL PRACTICE TEST - GENERAL KNOWLEDGE
31.
Tests have shown that trucks with a high center of gravity are more likely to tip over, therefore you should:
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put the lightest parts of the cargo under the heaviest parts.
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distribute the cargo as low as possible.
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All of the above.
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32.
An alcohol evaporator:
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used to reduce the chance of the front wheels skidding.
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protects the air brake system from too much pressure.
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is used to reduce the risk of ice in air brake valves and other parts during cold weather.
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33.
To use road speed to know when to switch gears you should:
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learn what speeds each gear is good for.
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watch your tachometer, and shift up when your engine reaches the top of the range.
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learn the operating rpm range of your vehicle.
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34.
Combination vehicles _________ than single CMVs.
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require more driving skill
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are safer in bad weather
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are much easier to drive
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35.
If your vehicle catches fire while you are driving, you should:
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park in an open area.
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pull into a service station.
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immediately open the van or trailer doors.
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36.
How should you apply the brakes when going down a steep downgrade?
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Apply the brakes when you reach the bottom of the downgrade.
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Apply the brakes whenever you reach your safe speed, until your speed has been reduced to 5 mph below your safe speed.
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Apply the brakes as hard as you can without locking the wheels.
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37.
When driving at night, if drivers of oncoming vehicles do not put their low beams on, you should:
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look slightly to the right at a right lane or edge marking, until the vehicles pass.
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flash your high beams to remind the other drivers to use their low beams.
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look directly at the headlights.
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38.
How can you tell if your vehicle is equipped with anti-lock braking system (ABS)?
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Look under the vehicle for the wheel speed sensor wires coming from the back of the brakes.
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Look for yellow ABS malfunction lamps on the instrument panel.
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All of the above.
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39.
If driving a new vehicle, you should familiarize yourself with the controls and equipment:
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as you drive.
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within the first 50 miles.
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before you start driving.
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40.
An Anti-lock Braking System (ABS):
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increases your normal braking capability.
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lets you drive faster.
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keeps your wheels from locking up when you brake hard.
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