Fluid forces that are generated inside the coupling shown in the illustration, tend to separate the runner and impeller during operation when the __________. See illustration MO-0089.
A
ring valves are in the open position
B
fluid is entrained with air
C
fluid viscosity decreases
D
coupling is filled with fluid
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Question 1 / 205eccefa3bacbc34ba4d47cf0
Question 1 of 205eccefa3bacbc34ba4d47cf0
Fluid forces that are generated inside the coupling shown in the illustration, tend to separate the runner and impeller during operation when the __________. See illustration MO-0089.
Fluid forces that are generated inside the coupling shown in the illustration, tend to separate the runner and impeller during operation when the __________. See illustration MO-0089.