In a forced vortex, the velocity of flow everywhere within the fluid is__________________?
In a forced vortex, the velocity of flow everywhere within the fluid is__________________? A. maximum B. minimum C. zeroD. non-zero finite E. unpredictable
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In a forced vortex, the velocity of flow everywhere within the fluid is__________________? A. maximum B. minimum C. zeroD. non-zero finite E. unpredictable
Two pipe systems can be said to be equivalent, when the following quantites are same______________? A. friction loss and flow B. length and diameter C. flow and length D. friction factor and diameter E. velocity and diameter
At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be_______________? A. minimum B. maximum C. zero D. negative valueE. could be any value
For pipes, laminar flow occurs when Roynolds number is__________________? A. less than 2000 B. between 2000 and 4000 C. more than 4000 D. less than 4000 E. none of the above
The fluid forces considered in the Navier Stokes equation are__________________? A. gravity, pressure and viscous B. gravity, pressure and turbulent C. pressure, viscous and turbulent D. gravity, viscous and turbulent E. none of the above
All the terms of energy in Bernoulli’s equation have dimension of_______________? A. energy B. work C. massD. length E. time
Two dimensional flow occurs when___________________? A. the direction and magnitude of the velocity at all points are identical B. the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time C. the magnitude and direction of the velocity do not change from point to point in the fluidD. the…
For hypersonic flow, the Mach number is___________________? A. unity B. greater than unity C. greater than 2D. greater than 4 E. greater than 10
Normal depth in open channel flow is the depth of flow corresponding to_______________? A. steady flow B. unsteady flow C. laminar flowD. uniform flow E. critical flow
Pitot tube is used for measurement of__________________? A. pressure B. flowC. velocity D. dsscharge E. viscosity