Three phase AC power is used:
A) In both residential and commercial buildings. B) Only in Europe.
C) Only in commercial buildings. D) Only in residences.
C
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Snakes can develop gout from
A. Starvation B. Kidney disease C. Inappropriate use of nephrotoxic antibiotics D. All of the above E. B and C above
The majority of problems with residential air-conditioning systems are due to:
A) Electrical problems. B) Customer problems. C) Mechanical problems. D) Refrigeration problems.
A reset controller in a hydronic heating system is used to _____
a. reset the burner after shutdown b. control multiple zone valves c. modulate pump water flow d. monitor outdoor temperature
Duct leakage area calculates
A) the area where leaks are occurring in the duct systems B) the size of the hole if all the leaks were combined into one C) applies duct leakage correction factors based on the area of the country D) which assigned duct leak category the leak falls into