Explain why field-fabricated air chambers are not as effective for water hammer protection as mechanical arrestors.
What will be an ideal response?
Manufactured devices contain air volume sealed into a bellows or a piston device that
prevents the air from being absorbed into the water.
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Air at 0ºC and 80% humidity is heated to 25ºC. If no water is added to the air, the humidity after the air is heated, using the psychrometric chart, will be nearest:
A) 25% B) 20% C) 15% D) 10%
Is there anything that you would change in the master plan? Why or why not?
What will be an ideal response?
If 
of air at 122(°F) and approximately atmospheric pressure is preheated for a combustion process to 932(°F), what rate of heat transfer is required?
What will be an ideal response?
Measured right turns, forward stops, straight-line backing, alley docking, and parallel parking are evaluated in the _____.
Fill in the blank(s) with the appropriate word(s).