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Fluid Mechanics

Coefficient of velocity of venturimeter_________________?

August 12, 2021January 17, 2019 by admin
Coefficient of velocity of venturimeter_________________?

A. is independent of Reynolds number
B. decreases with higher Reynolds number
C. is equal to the coefficient of discharge of venturimeter
D. none of the above

Categories Fluid Mechanics

The discharge through a V- notch varies as______________?

August 12, 2021January 17, 2019 by admin
The discharge through a V- notch varies as______________?

A. H1/2
B. H3’2
C. H5/2
D. H5’4 where H is head

Categories Fluid Mechanics

Size of a venturimeter is specified by________________?

August 12, 2021January 17, 2019 by admin
Size of a venturimeter is specified by________________?

A. pipe diameter
B. throat diameter
C. angle of diverging section
D. both pipe diameter as well as throat diameter

Categories Fluid Mechanics

Which of the following is used to measure the discharge ?

August 12, 2021January 17, 2019 by admin
Which of the following is used to measure the discharge ?

A. current meter
B. venturimeter
C. pitot tube
D. hotwire anemometer

Categories Fluid Mechanics

Hot wire anemometer is used to measure_______________?

August 12, 2021January 17, 2019 by admin
Hot wire anemometer is used to measure_______________?

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

Categories Fluid Mechanics, Hydraulics and Fluid Mechanics

In steady flow of a fluid, the total accele ration of any fluid particle______________?

August 12, 2021January 17, 2019 by admin
In steady flow of a fluid, the total accele ration of any fluid particle______________?

A. can be zero
B. is never zero
C. is always zero
D. is independent of coordinates

Categories Fluid Mechanics

Stream lines and path lines always coincide in case of__________________?

August 12, 2021January 17, 2019 by admin
Stream lines and path lines always coincide in case of__________________?

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

Categories Fluid Mechanics

The motion of air mass in a tornado is a________________?

August 12, 2021January 17, 2019 by admin
The motion of air mass in a tornado is a________________?

A. free vortex motion
B. forced vortex motion
C. free vortex at center and forced vortex outside
D. forced vortex at center and free vortex outside

Categories Fluid Mechanics

The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid______________?

August 12, 2021January 17, 2019 by admin
The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid______________?

A. steady flow
B. uniform flow
C. incompressible flow
D. frictionless flow
where pi and p2 are mass densities

Categories Fluid Mechanics

If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is_______________?

August 12, 2021January 17, 2019 by admin
If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is_______________?

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

Categories Fluid Mechanics
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