What is the industry standard rate of through-the-evaporator airflow in CFM per ton for most air-conditioning equipment?
A) 1,200 CFM per ton B) 400 CFM per ton C) 2,000 CFM per ton D) 800 CFM per ton
B
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Which of the following helps create the proper appearance for an oral reasons class?
a. clean t-shirt with logo c. hat with ribbon b. chewing gum d. no answers
Where are the control handle and indicating lamps for an oil switch and the oil switch itself located?
What will be an ideal response?
The minimum end bearing of an open-web joist on a steel-bearing plate with no embedded anchors on a
concrete or masonry wall is _____. a. 2-1/2 inches b. 4 inches c. 5 inches d. 8 inches
The trap in the condensate drain _____
a. prevents water from being held in the drain pan by the blower b. prevents oil from returning to the evaporator c. stores condensate in case the drain line is plugged d. keeps condensate from freezing