In centrifugal compressors, capacity control is accomplished by the use of ___________________________________ at the impeller inlet.
Correct Answer:
Verified
Q3: Speeds up to _ rpm are used
Q4: Direct expansion evaporators have _.
A) expansion joints
Q5: A centrifugal compressor uses _ for capacity
Q6: A chiller typically cools _ (what liquid?)
Q7: The compressors used in low pressure chillers
Q9: A purge unit _.
A) helps to provide
Q10: Electronic starters are much smaller than conventional
Q11: Thermostatic expansion valves are the only metering
Q12: A reciprocating compressor with six cylinders, three
Q13: A benefit of operating a compressor unloaded
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