In solar anti-freeze based combisystems, the outside heat dump provides a way for the system to shed excess heat. It is activated if the temperature of the thermal storage tank reaches a ____ upper limit.
a. manufacturer recommended
b. DOE enforced
c. user-set
d. local fire code
c. user-set
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A poultry farm of 200,000 hens may produce as much waste as a city of 20,000 people.
Answer the following statement true (T) or false (F)
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In the remote keyless entry (RKE) system, the transponder and receiver system operate ____.
A. only at a very close range B. at a fixed radio frequency C. in series D. without bus communication messages
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There are 12 risers in a flight of concrete steps. Each riser is 7 1/4" high. What is the overall height in inches of this flight of steps?
What will be an ideal response?
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The cooling cycle of the heat pump is the same as an air-conditioning system.
Answer the following statement true (T) or false (F)
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