For large sewers, maximum distance between manholes may be_______________?
For large sewers, maximum distance between manholes may be_______________?
A. 50 m
B. 100 m
C. 200 m
D. 300 m
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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 flowAt 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 valueThe settlement of a particle in sedimentation tank, is affected by_____________________?
The settlement of a particle in sedimentation tank, is affected by_____________________?A. Velocity of flow
B. Viscosity of water
C. Size and shape of solid
D. All the aboveIn R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept________________?
In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept________________?A. 10.0
B. 5.0
C. 2.0
D. 0.25Jumper is a tool used for_______________?
Jumper is a tool used for_______________?A. testing of stones
B. quarrying of stones
C. dressing of stones
D. none of the aboveWhat refers to the interest rate at which the present work of the cash flow on a project is zero of the interest earned by an investment ?
What refers to the interest rate at which the present work of the cash flow on a project is zero of the interest earned by an investment ?A. Economic return
B. Yield
C. Rate of return
D. Return of investment