When should a refrigerant identifier should be used?

A) After recharging the system
B) Before recovering the system
C) Before recharging the system
D) After evacuating the system


B) Before recovering the system

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When a group of parts is similar, it is possible to represent the entire group with a(n) ____, with different versions of that model selected to specify particular parts.

A. design table B. unsuppressed model C. family model D. master model

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The ease or difficulty of the development of a site depends on whether the land is level or rolling, rocky or sandy, forest or open

Indicate whether the statement is true or false

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Terrariums are plants growing inside a glass or plastic container

Indicate whether the statement is true or false

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The three types of air-cooled condenser coil construction found on residential air-conditioning units today include:

A) Tube-and-fin, spine-fin, and microchannel. B) Wired, wireless, and adaptive. C) Iron, aluminum, and steel. D) Flat plate, bare tube, and tube-and-fin.

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