gw 44 spring 2025

gw 44 spring 2025

Assessment

Flashcard

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University

Hard

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17 questions

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1.

FLASHCARD QUESTION

Front

Most commercial refrigeration evaporators are _____ evaporators.

Back

forced-draft

2.

FLASHCARD QUESTION

Front

The three variables by which defrost timers operate include all of the following, except _____: humidity, pressure, temperature, time.

Back

humidity

3.

FLASHCARD QUESTION

Front

Excess moisture produced by a defrosting evaporator may be removed from a conditioned space or cabinet using a _____ when the available drain is elevated or at a remote location.

Back

condensate pump

4.

FLASHCARD QUESTION

Front

Evaporator defrosting that involves pumping refrigerant directly from the compressor discharge line into the evaporator tubing describes a(n) _____ defrost.

Back

hot-gas

5.

FLASHCARD QUESTION

Front

Evaporator defrosting that involves circulating a heated solution in tubing near and around the evaporator during the Off cycle describes a _____ defrost.

Back

nonfreezing solution

6.

FLASHCARD QUESTION

Front

Evaporator defrosting that involves running tap water over the evaporator when the refrigeration system is off describes a(n) _____ defrost.

Back

water

7.

FLASHCARD QUESTION

Front

An evaporator defrosting system that circulates air from the conditioned space over the evaporator during the Off cycle is a(n) _____ defrost.

Back

off-cycle

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