Continuity equation

9 practice questionsFluid MechanicsStep-by-step solutions

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Volumetric flow rate Q is related to cross-sectional area A and velocity v by:

A.Q = A/v

B.Q = A·v

C.Q = v/A

D.Q = A + v

Water flows through a pipe that narrows from area 0.02 m² to 0.005 m². If the inlet velocity is 1 m/s, the exit velocity is:

A.0.25 m/s

B.4 m/s

C.2 m/s

D.0.5 m/s

For incompressible flow in a pipe of constant diameter, the fluid velocity is:

A.Increasing along the pipe

B.Constant along the pipe

C.Zero

D.Doubling each metre

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