?What would result from increasing the pressure rating of the relief valve?
A. ?A smaller expansion tank would be required.
B. ?A larger expansion tank would be required.
C. ?The size of the expansion tank would not be affected.
D. ?Boiling in the collector array would be prevented.
Answer: A
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The _______________ system actually changes or conditions a signal in three steps.
Fill in the blank(s) with the appropriate word(s).
If the blower on a cooling tower breaks down on a hot day, the ____.
A. approach temperature will increase B. water supplied to the condensers will be warmer C. efficiency of the tower will increase D. both a and b
____ homes combine techniques of both traditional framing and mass production to reduce costs, improve quality, shorten the construction cycle, and minimize weather damage to structural components.
A. Modular B. Panelized C. Manufactured D. Assembled
A triple-duty valve serves as a shut-off valve, a balancing valve, and a _____
a. differential pressure valve b. drain valve c. zone valve d. check valve