The discharge over a broad crested weir is maximum when the depth of flow is_______________?

Related Mcqs:

1. Due to each end contraction, the discharge of rectangular sharp crested weir is reduced by________________?

   A. 5% B. 10% C. 15% D. 20%...

2. In a Sutro weir, the discharge is proportional to________________?

   A. H1/2 B. H3/2 C. H5/2 D. H where H is head...

3. The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be_________________?

   A. 0.423 D B. 0.577 D C. 0.223 D D. 0.707 D where D is the depth of flow...

4. The ratio of average velocity to maximum velocity for steady laminar flow in circular pipes is_______________?

   A. 1/2 B. 2/3 C. 3/2 D. 2...

5. The discharge of a liquid of kinematic viscosity 4 cm2/sec through a 8 cm dia-meter pipe is 3200n cm7sec. The type of flow expected is__________________?

   A. laminar flow B. transition flow C. turbulent flow D. not predictable from the given data...

6. For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is_______________?

   A. constant B. dependent only on Reynolds number C. a function of Reynolds number and relative roughness D. dependent on relative roughness only...

7. A fluid of kinematic viscosity 0.4 cm2/sec flows through a 8 cm diameter pipe. The maximum velocity for laminar flow will be__________________?

   A. less than 1 m/sec B. 1 m/sec C. 1.5 m/sec D. 2 m/sec...

8. The discharge through a V- notch varies as______________?

   A. H1/2 B. H3’2 C. H5/2 D. H5’4 where H is head...

9. Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is__________________?

   A. slightly less B. slightly more C. nearly half D. equal...

10. Which of the following has highest coefficient of discharge ?

    A. sharp edged orifice B. venturimeter C. Borda’s mouthpiece running full D. CipoUetti weir...