CDL GENERAL KNOWLEDGE TEST (TEXAS) - PRACTICE TEST
41.
When driving on slippery surfaces, a lack of spray from other vehicles indicates that:
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the pavement is dry.
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the road hasn't started to ice up yet.
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ice has formed on the road.
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there is no ice on the road surface.
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42.
Hydroplaning is most likely to occur:
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when it's been raining for over an hour.
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right before it starts to rain.
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right after it starts to rain.
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at speeds below 30 mph.
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43.
If you are being tailgated, you should:
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avoid tricks like turning on your taillights or flashing your brake lights.
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avoid quick changes.
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increase your following distance.
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All of the above.
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44.
Service lines are often coded with the color ____ to keep from getting them mixed up with the emergency line.
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yellow
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blue
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orange
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red
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45.
When feeling fatigued you should:
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stop and rest.
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increase your speed to get to your destination faster.
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drink a cup of coffee.
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continue driving.
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46.
You should reject a vehicle until which of the following gets rectified?
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Faulty windshield wipers
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Faulty flashers
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Faulty headlights
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All of the above.
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47.
To avoid rollbacks when you start, you should:
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put on the parking brake whenever necessary.
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if you have manual transmission, partly engage the clutch before you take your right foot off the brake.
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release the parking brake only when you have applied enough engine power.
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All of the above.
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48.
In a dual air brake system, if one air system is very low on pressure:
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the effect won't be noticeable for the first 50 miles.
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either the front or rear brakes will not be operating fully.
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you should drive and brake as you always have.
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you should pump the brakes to restore pressure.
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49.
When driving on wet roads, you should:
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follow the vehicle ahead more closely than under ideal driving conditions.
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reduce speed by 60%.
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reduce speed by about one-third.
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pull of the road and get some rest.
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50.
If a load is 10 feet long, the minimum number of tie-downs required is:
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1
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4
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2
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3
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