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
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Which of the following is used to measure the discharge ?
A. Current meter
B. Venturimeter
C. Pitot tube
D. Hotwire anemometer
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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
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Stream lines and path lines always coincide in case of__________________?
A. Steady flow
B. Laminar flow
C. Uniform flow
D. Turbulent flow
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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
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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
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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
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The United Arab Emirates has resumed its diplomatic services at its embassy in Damascus in Syria after _______?
A. 4 years
B. 5 years
C. 6 years
D. 7 years
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In a two dimensional incompressible steady flow around an airfoil, the stream lines are 2 cm apart at a great distance from the airfoil, where the velocity is 30 m/sec. The velocity near the airfoil, where the stream lines are 1.5 cm apart, is_________________?
A. 22.5 m/sec
B. 33 m/sec
C. 40 m/sec
D. 90 m/sec
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The eddy viscosity for turbulent flow is______________?
A. A function of temperature only
B. A physical property of the fluid.
C. Dependent on the flow
D. Independent of the flow
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Word of the Day
22 Sep
Grim
very serious or gloomy.
کڑا، شدید، سخت،سنگدل

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