Why must you cover the coils when testing the heat pump in warm weather?

A) to trigger the temperature valve to release excess pressure
B) to prevent the heat pump from overloading the compressor
C) to reduce the amount of heat lost from the system
D) to increase the amount of heat delivered to the system


B

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The extrinsic pathway of coagulation is activated by

A) the sticking of platelets to damaged tissue. B) the activation of proenzymes exposed to collagen. C) the release of tissue factor by damaged endothelium. D) the release of heparin from the liver. E) the conversion of prothrombin to thrombin.

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Technician A says that incandescent trouble lights may be used when working around gasoline. Technician B says that florescent trouble lights should be used when working around gasoline. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B

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On a standard SAE relay, which terminal should be the common terminal?

A. 1 (86) B. 2 (85) C. 3 (30) D. 5 (87)

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A TEV with a dead power element will operate:

A) With a low superheat. B) Correctly until an adjustment is made to the valve. C) With a high superheat. D) With a higher-than-normal evaporator pressure.

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