Civil Engineering MCQJE Level Civil Engineering
In a mock-test problem built around rapid transition from supercritical to subcritical flow, which answer is most appropriate? Avoid the common trap that it occurs only in closed pipes.
Fluid MechanicsHydraulic JumpHARD
Choose the correct answer
A
depth decreases across every jump
B
energy is created by the jump
C
it occurs only in closed pipes
D
energy is dissipated with a rise in water depth
Correct Answer
D. energy is dissipated with a rise in water depth
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Hydraulic jumps dissipate excess kinetic energy. Correct option: D.
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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.