What is the lowest temperature a cooling tower can produce?
A) A few degrees above the incoming air temperature
B) Down to a few degrees above absolute 0 if applied correctly
C) 32°F, the temperature where water freezes
D) few degrees above the incoming air wet bulb temperature
D
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Determine the Pasquill stability category for the following scenarios and the type of plume to be observed from a smokestack.
a. An overcast day with leaves rustling. b. A sunny afternoon with the solar altitude 75 degrees above the horizon and loose paper blowing on the street. c. A sunny afternoon with the solar altitude 75 degrees above the horizon and smoke from a match rises vertically. d. A later summer day with broken low clouds and smoke from a match rises vertically. e. Nighttime when chimney smoke drifts but does not move wind vanes. f. A winter day when chimney smoke drifts but does not move wind vanes. What will be an ideal response?
The Giant Angora was originally bred to produce an animal that would:
A) be used for medical research B) have a maximum amount of wool production C) provide a lot of meat D) make an ideal pet
Technician A says that oil pumps are all negative displacement types. Technician B says that many oil pumps are driven by the front of the crankshaft. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
What engine system attempts to manage the cylinder pressure in electronically controlled engines?
A. MEP system. B. Turbocharger. C. Fuel Management System. D. Engine Cooling Circuit.