CDL GENERAL KNOWLEDGE TEST (VIRGINIA) - PRACTICE TEST
31.
Antifreeze:
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helps the engine only when the temperature is below freezing.
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helps the engine under hot conditions as well as cold conditions.
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helps the engine only under hot conditions.
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32.
With an engine fire, you should NOT:
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shoot foam from the vehicle’s underside.
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turn the engine off as soon as possible.
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open the hood.
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33.
You should avoid driving through flowing water of deep puddles if possible. If not, you should:
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set out reflective triangles to warn other traffic.
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gently apply the brakes, increase engine rpm and cross the water while keeping light pressure on the brakes.
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press the accelerator and increase the engine and gear speed to the rpm required by road conditions.
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34.
If you are driving a 30 foot vehicle at 35 mph, you should leave at least _______ between your vehicle and the vehicle in front of you.
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3 seconds
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4 seconds
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2 seconds
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35.
What plays a major role in mountain driving?
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Rain
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Weather
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Gravity
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36.
After starting the engine the coolant temperature should:
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slowly decrease.
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rise gradually.
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rise quickly.
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37.
When inspecting mirrors and windshields for dirt, cracks, illegal stickers, and other obstructions to seeing clearly, you should:
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clean and adjust as necessary.
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write all necessary adjustments in your pre-trip inspection.
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leave it as is and write any instructions or notes on the vehicle inspection guide.
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38.
The tire load for each tire is stated:
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on the tread of the tire.
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on the side of the tire.
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on the inside of the tire.
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39.
When driving in very hot weather you should inspect your tires regularly. Why?
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Hydroplaning is more likely if tire pressure is low.
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Air pressure increases with temperature.
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The minimum tread depth may vary.
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40.
What should you do if you doubt you have safe space to pass under a low bridge?
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Increase the weight of your vehicle to clearing under the bridge.
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If no warnings are posted, assume there is enough clearance under the bridge and proceed slowly.
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Go slowly, and take another route if you are not sure you can make it.
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