Refer to the figure below. On an HCFC-22 system, liquid line pressure is 202 psig (1,393 kPa) and the measured liquid line temperature is 100°F (37.8°C). The subcooling is _____.





a. 1°F (0.6°C)

b. 2°F (1.1°C)

c. 4°F (2.2°C)

d. 8°F (4.4°C)


b. 2°F (1.1°C)

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Describe circuit breakers.

What will be an ideal response?

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Referring to the above figure, when a metal target is detected, list the conditions that develop in the circuitry of the inductive proximity detector: The Schmitt trigger produces a ____________________ (low, high) voltage level. The transistor turns ____________________ (off, on). A ____________________ (minimum, maximum) voltage drops across the load.

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

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A fuel-saving feature of the General Motors eAssist vehicles is electrically controlled grille shutters that close at highway speeds to reduce drag.

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

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Two 90-degree bends in the same piece of conduit are required for a(n) _____.

a. offset b. back-to-back bend c. kick d. parallel bend

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