A. unity
B. greater than unity
C. greater than 2
D. greater than 4
E. greater than 10
Related Mcqs:
- Mach number is significant in___________________?
A. supersonics, as with projectiles and jet propulsion
B. full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.
C. simultaneous motion through two fluids where there is a surface of dis-continuity, gravity force, and wave making effects, as with ship’s hulls
D. all of fhe above
E. none of the above - The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is___________________?
A. 1.5
B. 2.0
C. 3.0
D. 4.0 - Mach number is significant in_____________________?
A. supersonics, as with projectiles and jet propulsion
B. full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.
C. simultaneous motion through two fluids where there is a surface of dis-continuity, gravity force, and wave making effects, as with ship’s hulls
D. all of fhe above
E. none of the above - During the opening of a valve in a pipe line, the flow is___________________?
A. steady
B. unsteady
C. uniform
D. laminar
E. free vortex type - 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 - If the length of overland flow from the critical point to the mouth of drain is 13.58 km and difference in level between the critical point and drain mouth is 10 m, the inlet time is___________________?
A. 2 hours
B. 4 hours
C. 6 hours
D. 8 hours - When the flow parameters at any given instant remain same at every point, then flow is said to be____________________?
A. quasi static
B. steady state
C. laminar
D. uniform
E. static. - The ratio of maximum sewage flow to average sewage flow for trunk mains having diameters more than 1.25 m, is____________________?
A. 1.5
B. 2.0
C. 3.0
D. 4.0 - The ratio of minimum hourly flow to the average flow of sewage is_________________?
A. 1/4
B. 1/3
C. 1/2
D. 3/4 - You are asked to design sewer pipes of diameters 0.4 m to 0.9 m at maximum flow, you will assume the sewer flow running at___________________?
A. Full depth
B. Half full
C. Two third full
D. Three fourth full
