The force needed to operate the main valve is provided by the ____.

a. compressor
b. evaporator
c. accumulator
d. condenser


a. compressor

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?Unmounted coils are available in weights of around ___________

A. ?1000 lb (454 kg). B. ?4 lb (1.8 kg). C. ?60 lb (27 kg). D. ?25 lb (11 kg).

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Isometric drawing are used in detailing piping diagrams.

Answer the following statement true (T) or false (F)

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A multi-detail is a print that shows one print of a section of a complex part.

Answer the following statement true (T) or false (F)

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Refrigerants from a refrigeration system that has a burned out motor-compressor assembly can be dangerous because it could contain a high concentration of ____________________.

Fill in the blank(s) with the appropriate word(s).

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