When correcting the system concern, you must:

A) Be sure to address the root cause of the concern.
B) Replace the major system components.
C) Document the correct operation of the system.
D) Correct the obvious symptoms first.


A

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In a semi-hermetic compressor, _____.

a. the compressor and drive motor share a common housing b. the drive motor is mounted outside of the compressor housing c. the pistons can easily be accessed and serviced in the field d. rotating scroll plates compress the refrigerant progressively

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A(n) ____________________ is an externally threaded fastener that is used with a nut.

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

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If an evaporator has a pressure drop of 10 psig and the low side pressure is 15 psig, what is the pressure at the inlet of the evaporator?

A. 5 psig B. 10 psig C. 15 psig D. 25 psig

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The weight of a sample of saturated soil before drying is 2.8 lb and after drying is 2.1 lb. If the specific gravity of the soil particles is 2.6, determine: (a) moisture content, (b) void ratio, (c) porosity, (d) bulk density, and (e) dry density.

What will be an ideal response?

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