To ensure correct direction of refrigerant flow in heat-pump room air conditioners, ____ are included in the unit.

A. filter drivers
B. globe valves
C. quarter-turn valves
D. check valves


Answer: D

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When transporting long lengths of raceway to the jobsite, _____.

a. flag the ends b. paint the ends orange c. the raceway may be cut to shorter lengths to fit in the truck d. secure the load in the center rather than on both ends

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A(n) ____, highly polished, bright material reflects most of the light that strikes it.

A. translucent B. colored C. thin D. opaque

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To ensure ______, check that all text is spelled and punctuated correctly

Fill in the blank(s) with correct word

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This question is not like the ones above. It has the word LEAST. For this question, look for the choice that would LEAST LIKELY cause the described situation. Read the entire question carefully before choosing your answer. An alternator has low output and is being full-fielded to determine the cause. Which of the following is the LEAST likely result of full-fielding the alternator?

a. High battery voltage level b. Battery gassing c. Low battery voltage level d. High alternator amperage output

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