In most commercial air handlers
A) the blower draws the air across the coil
B) the air passes through the unit twice: once for the blower and another time for the coil
C) the blower and coil are located in separate component parts of the system
D) the blower forces the air across the coil
A
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Which of the following is a step in checking a system's defrost cycle?
A) Set the defrost thermostat to a higher temperature. B) Turn off the pressure switch. C) Short the test pins together. D) Clear the area around the outdoor coil.
Visual aids that show the flow of costs and revenues over a period of time are known as
a. cash flow diagrams. b. cost – revenue diagrams. c. Venn diagrams. d. business plans.
A tire with an A temperature rating has the best temperature resistance.
Answer the following statement true (T) or false (F)
Given S = 0.290W/t2. If S = 2000, t = 0.55, solve for W rounded to 2 decimal places.
A. 45.68 B. 1050.33 C. 2086.21 D. 43.66