List four reasons why low voltage controls are usually found on residential air conditioning systems?
What will be an ideal response?
They are economical, safer, more accurate, and need no special license to install.
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The two main categories under which all building loads may be classified are ______.
A) terrestrial loads and celestial loads. B) dead loads and live loads. C) gravity loads and lateral loads. D) first-class and second-class loads.
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The prime mover in a motor-generator set is the _____.
A. generator B. motor C. dynamotor D. armature
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How can you ensure optimum accuracy when using a piece of soapstone to mark a line??
What will be an ideal response?
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The lowest pressure level in an air distribution system is found at the _____
a. conditioned space b. return duct inlet c. blower inlet d. blower outlet
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