Author Question: With three-phase compressors, a voltage imbalance of greater than ________ will cause the windings ... (Read 32 times)

faduma · **on:** Jul 27, 2018

With three-phase compressors, a voltage imbalance of greater than ________ will cause the windings within a motor to generate heat beyond safe levels, leading to premature motor failure.

A) 1 percent B) 2 percent C) 3 percent D) 4 percent

Question 2

In a direct expansion chiller, the chilled water is circulated:

A) Over the outside of the chiller shell. B) Through the compressor water cooling jacket.
C) Through the inside of the chiller tubes. D) Over the outside of the chiller tubes.