On disassembling a centrifugal pump for overhaul, the third engineer reports holes drilled axially in the back side of a single suction closed impeller. The reason for the these holes is which of the following?
A
To reduce the axial thrust forces on the impeller
B
To allow for water to recirculate for impeller cooling
C
To reduce the power required for the pump
D
To fit a puller for removing the impeller
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Question 1 / 205eccef9bbacbc34ba4d4549c
Question 1 of 205eccef9bbacbc34ba4d4549c
On disassembling a centrifugal pump for overhaul, the third engineer reports holes drilled axially in the back side of a single suction closed impeller. The reason for the these holes is which of the following?
On disassembling a centrifugal pump for overhaul, the third engineer reports holes drilled axially in the back side of a single suction closed impeller. The reason for the these holes is which of the following?