CDL PRACTICE TEST (CA) - GENERAL KNOWLEDGE TEST
41.
To maintain alertness while driving, you should:
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have another person ride with you.
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avoid heavy foods.
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All of the above.
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42.
How many reflective triangles/emergency reflectors should you carry?
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3
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4
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2
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43.
Confused drivers can be very hazardous. Clues to confusion include:
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changing direction suddenly.
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driving very slowly.
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All of the above.
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44.
When inspecting brakes, you should look for:
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cracked drums.
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shoes worn dangerously thin.
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All of the above.
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45.
When driving past parked vehicles, you should:
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sound your horn.
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watch for clues that the parked vehicle is about to move.
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turn on your taillights.
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46.
When you drive a tractor-trailer combination with ABS, you should:
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brake as you always have.
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pump the brakes.
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apply the trailer hand brake whe braking.
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47.
Emergency brakes must be held on by:
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hydraulic pressure.
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mechanical force.
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air pressure.
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48.
Strong winds can make it difficult to stay in your lane especially when driving:
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heavier vehicles.
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lighter vehicles.
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vehicles with ABS.
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49.
When you have to back, you should use a helper:
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only when you back up with a trailer.
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whenever possible.
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when you need to back on a curved path.
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50.
During freezing weather, which area is most likely to be slippery after it rains?
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Shaded areas.
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Bridges.
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All of the above.
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