Civil Engineering MCQJE Level Civil Engineering
In a mock-test problem built around local pressure falling below vapour pressure, which answer is most appropriate? Avoid the common trap that cavitation increases pump efficiency always.
Fluid MechanicsCavitationMEDIUM
Choose the correct answer
A
water becomes incompressible only then
B
vapour bubbles form and may collapse causing damage
C
pipe velocity becomes zero
D
cavitation increases pump efficiency always
Correct Answer
B. vapour bubbles form and may collapse causing damage
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Cavitation is harmful vapour formation/collapse due to low pressure. Correct option: B.
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This MCQ belongs to RRB JE Civil & Allied Engineering CBT-2 Full Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.