Why is it desirable to have a minimum water temperature entering the boiler?
A) To increase combustion efficiency B) To reduce the load on the boiler
C) To prevent downdrafts in the flue D) To prevent condensation in the flue
Question 2
What items should be checked when converting an indoor air handler from upflow configuration to horizontal configuration?
A) The blower must be removed and turned around.
B) The transformer and fan relay should be changed.
C) Drain pan, correct drain opening, and service access
D) The cabinet feet must be relocated from the bottom to the side.
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Using a water-based cleaning system helps reduce the hazards from using strong chemicals.
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The minimum number of moles of oxygen needed to completely consume 4 moles of C3H8O is ...