The system used to measure the efficiency of room air conditioners is
A) EER - energy efficiency ratio B) CSPF - cooling seasonal performance factor
C) AFUE - annual fuel utilization efficiency D) SEER - seasonal energy efficiency ratio
A
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In a wastewater cooled system, the difference between the condensing temperature of the refrigerant and the leaving water temperature is approximately ____.
A. 10°F B. 20°F C. 30°F D. 40°F
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A GFI (ground fault interruption) circuit breaker should be used with an extension cord in a damp or wet location
Indicate whether the statement is true or false
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Fixtures guide the cutting tool.
Answer the following statement true (T) or false (F)
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A strongback to brace the risers must be installed a minimum of every _____
a. 5 feet b. 4 feet c. 3 feet d. 2 feet
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