Category: Fluid Mechanics

The ratio of average velocity to maximum velocity for steady laminar flow in circular pipes is_______________?

Hamad Fluid Mechanics 02/01/2021

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A. 1/2
B. 2/3
C. 3/2
D. 2

An open cubical tank of 2 m side is filled with water. If the tank is rotated with an acceleration such that half of the water spills out, then the acceleration is equal to_______________?

Hamad Fluid Mechanics 31/12/2020

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A. g/3
B. g/2
C. 2g/3
D. g

Equation of continuity is based on the principle of conservation of_________________?

Hamad Fluid Mechanics 30/12/2020

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A. mass
B. energy
C. momentum
D. none of the above

The losses are more in_________________?

Hamad Fluid Mechanics 18/12/2020

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A. laminar flow
B. transition flow
C. turbulent flow
D. critical flow

When the velocity distribution is uniform over the cross-section, the correction factor for momentum is__________________?

Hamad Fluid Mechanics 11/12/2020

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A. 0
B. 1
C. 4/3
D. 2

Stream lines and path lines always coincide in case of__________________?

Hamad Fluid Mechanics 07/12/2020

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A. steady flow
B. laminar flow
C. uniform flow
D. turbulent flow

The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is________________?

Hamad Fluid Mechanics 06/12/2020

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A. 1/3
B. 1/4
C. 1/2
D. 2/3

A valve is suddenly closed in a water main in wl.ich the velocity is 1 m/sec and velocity of pressure wave is 981 m/ sec. The inertia head at the valve will be________________?

Hamad Fluid Mechanics 06/12/2020

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A. 1 m
B. 10m
C. 100m
D. none of the above

Hot wire anemometer is used to measure_______________?

Hamad Fluid Mechanics Fluid Mechanics Hydraulics and Fluid Mechanics 26/11/2020

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A. discharge
B. velocity of gas
C. pressure intensity of gas
D. pressure intensity of liquid

Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by________________?

Hamad Fluid Mechanics 24/11/2020

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A. 5%
B. 10%
C. 15%
D. 20%