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1.
The alcohol evaporator:
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ensures the coolant temperature gauge remains in the normal range.
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helps to reduce the risk of ice in air brake valves and other parts in cold weather.
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eliminates the need for daily air tank drainage.
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2.
The total stopping distance for vehicles with air brake systems is made up of __ different factors.
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2
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4
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3
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3.
Typically an air system is fully-charged at:
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75 psi
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125 psi
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25 psi
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4.
Most heavy-duty vehicles use:
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single air brake systems.
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dual air brake systems.
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triple air brake systems.
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5.
Which of the following is not a braking system on a truck?
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Parking brake
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Service brake
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Steering brake
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6.
Under a pressurized system, the radiator cap:
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should never be hot.
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should never be removed until the system has cooled.
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should be removed when the coolant is hot.
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7.
If your truck catches fire, the first thing you should do is to:
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pull into a service station and call for help.
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pull off the road and park in an open area.
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get the vehicle off the road and park near other vehicles.
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8.
Your vehicle has air brakes. To stop, you should:
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pull the parking brake control knob out.
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release the accelerator, push in the clutch, and shift to Neutral at the same time.
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push the brake pedal down.
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9.
Before driving a vehicle with a dual air brake system, you should allow time for the air compressor to build up a minimum of ____ pressure in both the primary and secondary systems.
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50 psi
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100 psi
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150 psi
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10.
An alcohol evaporator:
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is used to reduce the risk of ice in air brake valves and other parts during cold weather.
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used to reduce the chance of the front wheels skidding.
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protects the air brake system from too much pressure.
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