In order to perform refrigerant maintenance on the low side of the refrigeration system you will need to perform a low side pump down. With the unit running in high speed cool:

A. Front seat the receiver tank outlet valve
B. Front seat the suction service valve
C. Front seat the discharge service valve
D. Front seat the bypass check valve


Answer: A

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Describe Mode 8.

What will be an ideal response?

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Technician A says that improper transmission fluid can be the cause of excessive shift effort during the dynamic shift test. Technician B says that worn or defective clutch components could be the cause of excessive shift effort during the dynamic shift test. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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Many commercial and industrial complexes use a(n) ____________________ to heat water that is supplied to heat transfer devices that condition the air in a structure or zone.

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

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____ tolerances applied to dimensions mean that the dimensions may vary from a larger size (+) to a smaller size (-) than the basic dimension (nominal size).

A. Bilateral B. Multilateral C. Binary D. Variable

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