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
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
_____ Service researchers conduct studies on wildlife and fish and their habitats
a. Animal c. People b. Range d. Forest
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