If a centrifugal pump is noisy with excessive vibration during its operation, the cause would most likely be due to
A
Bent shaft
B
Worn wearing rings
C
Reverse rotation
D
Excessive sealing water pressure
E
İlgili Sorular
Dunnages prevent cargo from loss and damage caused by .........Which of the certificates below is not approved by class societies?…................................. day is a working day of 24 hours on which work is not prevented...Where should a tank barge's Certificate of Inspection be kept?A receipt of goods shipped on board a ship signed by the person (or his agent) who contracts to carr...