If you hear a 'crackling' sound while standing watch in the engine room coming from a centrifugal pump casing within a general service system, the most probable cause of the noise would be __________.
A
insufficient packing
B
an oversized lantern ring
C
excessive suction lift
D
reversed pump rotation
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Question 1 / 205eccef9bbacbc34ba4d454d6
Question 1 of 205eccef9bbacbc34ba4d454d6
If you hear a 'crackling' sound while standing watch in the engine room coming from a centrifugal pump casing within a general service system, the most probable cause of the noise would be __________.
If you hear a 'crackling' sound while standing watch in the engine room coming from a centrifugal pump casing within a general service system, the most probable cause of the noise would be __________.