Hot water heating coils should be piped
A) with PVC pipe to take advantage of PVC's natural insulating ability
B) for parallel flow so that the warmest water meets the coldest air
C) with iron pipe for durability and strength
D) for counter flow so that the warmest water meets the warmest air
D
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Transfer switches are sized based on _____.
a. 80% of the generator capacity b. 125% of the maximum critical load c. 150% of the emergency load d. the calculated continuous current
A(n) ____________________ can be switched on or off and has magnetism only when current is flowing.
Fill in the blank(s) with the appropriate word(s).
When would manufacturers use airfreight to deliver their goods?
What will be an ideal response?
What contaminants can be found in refrigerant?
What will be an ideal response?