In a forced vortex, the velocity of flow everywhere within the fluid is__________________?
A. maximum
B. minimum
C. zero
D. non-zero finite
E. unpredictable
Civil Engineering Mcqs
Two pipe systems can be said to be equivalent, when the following quantites are same______________?
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_______________?
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 value
E. could be any value
For pipes, laminar flow occurs when Roynolds number is__________________?
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__________________?
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_______________?
All the terms of energy in Bernoulli’s equation have dimension of_______________?
A. energy
B. work
C. mass
D. length
E. time
Two dimensional flow occurs when___________________?
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 fluid
D. the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane
E. velocity, depth, pressure, etc. change from point to point in the fluid flow
For hypersonic flow, the Mach number is___________________?
For hypersonic flow, the Mach number is___________________?
A. unity
B. greater than unity
C. greater than 2
D. greater than 4
E. greater than 10
Normal depth in open channel flow is the depth of flow corresponding to_______________?
Normal depth in open channel flow is the depth of flow corresponding to_______________?
A. steady flow
B. unsteady flow
C. laminar flow
D. uniform flow
E. critical flow
Pitot tube is used for measurement of__________________?
Pitot tube is used for measurement of__________________?
A. pressure
B. flow
C. velocity
D. dsscharge
E. viscosity