List the primary advantages associated with the installation and operation of centrifugal compressor systems.
What will be an ideal response?
Centrifugal compressors are considered invaluable in operation in the chemical processing industry. Comp-100 was selected because of its low initial installation cost, low operation and maintenance cost, simple new piping installations, interchangeable drivers, large volume capacity per unit plot area, and long service life. Compressor 100 is designed to deliver much higher flow rates than positive displacement compressors.
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An assembled clutch pack clearance is being checked. If the pack has 4 lined plates, the clearance should be about ________ inch.
A) 0.100 B) 0.010 C) 0.400 D) 0.040
A control malfunction that results from a system heating or cooling past its setpoint is called:
A) Anticipation. B) Temperature swing. C) Overshoot. D) Lag.
The most common fan used for moving air through ductwork in residential air conditioning is:
A) Vane axial. B) Forward-curved centrifugal. C) Propeller. D) Backward-curved centrifugal.
Condenser subcooling should ideally be in the range of ____.
A. 15 and 20 degrees B. 20 and 30 degrees C. 5 and 10 degrees D. 0 and 5 degrees