A mechanical seal that is actually two seals, with one inner seal designed to handle full system pressure, and one outer seal that serves as a backup if the inner seal fails, is known as a _____ seal

A) back-to-back B) face-to-face C) single inside D) tandem


D

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Plate thickness is given as a common fraction of an inch.

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

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A meter that uses a moving pointer or needle to indicate a value on a scale is called a(n) __________ meter.

a. LCD b. analog c. digital d. parallax

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During operation, the compressor motor will rotate in the opposite direction to change the direction of refrigerant flow.

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

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A soil developed in transported parent materials will likely have properties related to the properties of the rock below the C horizon

Indicate whether the statement is true or false

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