Civil Engineering MCQJE Level Civil Engineering
If pipe diameter is halved while discharge remains constant, average velocity becomes:
Fluid MechanicsFluid Mechanics and HydraulicsHARD
Choose the correct answer
A
Half
B
One-fourth
C
Two times
D
Four times
Correct Answer
D. Four times
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Area varies with D squared, so halving diameter reduces area to one-fourth.
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This MCQ belongs to SSC JE Civil Paper-I Technical Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.