AIR BRAKES PRACTICE TEST - OREGON
16.
An alcohol evaporator is important during:
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dry weather.
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cold weather.
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hot weather.
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windy weather.
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17.
Combination vehicles have __ air lines.
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4
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2
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3
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1
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18.
Dual tires:
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should always come in contact with each other.
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are dangerous.
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should not come in contact with each other.
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should come in contact with each other whenever possible.
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19.
In a dual-air system - with engine at operating RPM, the pressure should build from 85 to 100 psi within how many seconds?
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12
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60
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20
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45
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20.
Axle weight is:
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the maximum safe weight your tires can carry at a specified pressure.
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the weight transmitted to the ground by one axle or one set of axles.
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the weight of all the axles added together.
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the value specified by the manufacturer as the loaded weight of one axle.
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