What are standpipes?
What will be an ideal response?
A standpipe is a pipe or tank on the roof of a building that stores a supply of water. Standpipes provide an extra supply when normal water pressures fail. Standpipe systems can include pumps to increase water pressure A standpipe also provides a reserve for the potable water needed for daily use in a building.
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In a running-bond wall,
A) each course consists of headers. B) each course consists of stretchers. C) each course consists of alternate headers and stretchers. D) the courses alternate between headers and stretchers. E) none of the above.
?Technician A says that bearings have a soft surface that flows away from high spots in case of a nick in the crankshaft. Technician B says that dirt can be absorbed into the crankshaft journal surface. Who is right?
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
What are differential enthalpy sensors used to control?
A) they control the DX coil B) they control the steam grid C) they control second stage heat D) they control the economizer
Which of the following conditions will not cause overheating of the drive?
A. The ambient temperature is too high. B. The heat sink is dirty. C. The drive's cooling fan has stopped. D. The ventilation slots are obstructed. E. None of the above are correct.