IA CDL PRACTICE TEST - GENERAL KNOWLEDGE
31.
The safety relief valve is located:
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in the front brake.
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in the first tank the air compressor pumps air to.
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on each end of the vehicle's axles.
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32.
The air storage tanks:
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stop the compressor from pumping air.
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are connected to the engine through gears or a v-belt.
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are used to hold compressed air.
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33.
When checking the steering system for defects, you should look for:
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cut or cracked valve stems.
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missing or broken leaves in any leaf spring.
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bent, loose, or broken parts, such as tie rods.
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34.
When transporting cargo, cargo securement must be checked within the first _____ miles of a trip and every _____ miles after.
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100; 150
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50; 250
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50; 150
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35.
If the coolant container is not part of the pressurized system:
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you should never remove the radiator cap or any part of the pressurized system until the system has cooled.
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you can safely remove the cap and add coolant even when the engine is hot.
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you should remove the container cap and wait until the system has cooled.
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36.
Combination vehicles _________ than single CMVs.
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are safer in bad weather
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are much easier to drive
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require more driving skill
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37.
Front brake limiting valves were used to:
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reduce the chance of the front wheels skidding on slippery surfaces.
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prevent overheating of the front tires.
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reduce your speed so further braking or shifting is not required.
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38.
What is an advantage of going right instead of left around an obstacle?
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No one is likely to be passing you on the left, but someone may be driving on the shoulder.
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If you are blocked on both sides, a move to the right won't force anyone into an opposing traffic lane and a possible head-on accident.
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If an oncoming driver has drifted into your lane, their natural response will be to brake suddenly.
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39.
Which of the following is not a braking system on a truck?
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Parking brake
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Steering brake
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Service brake
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40.
ABS:
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causes your wheels to lock when you break hard.
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gives you more control when you brake.
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is not required on newer trucks.
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