WA CDL DOUBLES TRIPLES TEST - PRACTICE TEST
11.
_________ rigs are much more likely to roll over in an accident than _________ rigs.
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Empty ; fully loaded
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Fully loaded ; overloaded
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Fully loaded ; empty
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12.
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 as hard as you can without locking the wheels.
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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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13.
When checking the engine compartment in a vehicle inspection, you should check all of the following except:
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Shock absorbers
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Windshield washer fluid level
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Engine oil level
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14.
ABS:
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helps you stop faster.
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helps you avoid skids caused by over braking.
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improves your visibility at night.
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15.
Which of the following statements about retarders is NOT correct?
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Retarders help slow a vehicle, reducing the need for using brakes.
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You should turn the retarder off whenever the road is wet, icy, or snow covered.
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Retarders help you avoid skids.
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16.
When connecting to the rear trailer, the trailer height should be:
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higher than the center of the fifth-wheel.
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the same height as the fifth-wheel.
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lower than the center of the fifth-wheel.
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17.
Emergency brakes must be held on by:
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hydraulic pressure.
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air pressure.
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mechanical force.
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18.
If the air compressor is belt-driven, you should check the air compressor drive belt before each trip. The belt should be:
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tight.
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cracked.
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loose.
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19.
Doubles:
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require more reaction time than straight trucks.
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are less likely to rollover than straight trucks.
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None of the above.
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20.
Which of the the following statements about fatigue is true?
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Fatigue impairs your vision and judgment.
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Fatigued driving is one of the leading causes of accidents.
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All of the above.
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