When operating a vehicle with a dual air brake system the driver's should

A. Let the vehicle warm up before driving to ensure that the fuel reaches the engine.
B. Let the air compressor build up a minimum of 100 psi pressure in the primary and secondary systems before driving.
C. Begin driving just after the vehicle starts.


Answer: B. Let the air compressor build up a minimum of 100 psi pressure in the primary and secondary systems before driving.

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The amount of refrigerant indicated on the ____ is the total refrigerant charge for the unit, not simply a holding charge as in the case of a split-type system.

A. bill of lading B. compressor C. nameplate D. blower

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On a 95°F day, the R-22 refrigerant pressure on the high side should be about ____ psig.

A. 108 B. 182 C. 243 D. 297

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_____ Service researchers conduct studies on wildlife and fish and their habitats

a. Animal c. People b. Range d. Forest

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Which of the following materials is most commonly used for exterior finishes?

A) Spar varnish B) Oil-based paints C) Clay plaster D) Acrylic latex paints

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