The hydraulic mean depth for a circular pipe of diameter d is ____________________?

Related Mcqs:

1. The depth before the jump is always less then the depth after the jump. The depth before the jump is called initial depth and depth after the jump is called_______________?

   A. Afflux
   B. Final depth
   C. Sequent depth
   D. Down stream water depth

2. The discharge through rectangular channel is maximum when Hydraulic mean depth m is equal to ______________?

   A. depth/ 3
   B. depth/ 2
   C. depth/ 4
   D. 2 / 3 depth

3. If E1 is the energy before the hydraulic jump and E2 is the energy after the hydraulic jump the efficiency of jump is then given by _____________________?

   A. E2 – E1
   B. E2 / E1
   C. E1 – E2
   D. E1 / E2

4. An engineer who is approached by a client for the purpose of design of hydraulic structures like dam. Barrage or Regulator is called ____________________?

   A. Chartered Engineer
   B. Consulting Engineer
   C. Irrigation Engineer
   D. All are correct

5. A pipe flowing full, the liquid particles in the pipe has maximum velocity at __________________?

   A. Top of pipe
   B. Centre of pipe
   C. Bottom of pipe
   D. All are correct

6. if the depth of water in an open channel is greater than the critical depth, the flow is called________________?

   A. Critical depth
   B. Non-critical flow
   C. Sub-critical flow
   D. Shooting flow

7. A water rise takes place on down stream of sloping glacis, when a stream of water moving with high velocity and low depth strikes another stream of flow moving with low velocity and high depth, such breakage in water surface is called______________?

   A. Water wave
   B. Water tide
   C. Hydraulic jump
   D. Afflux

8. The velocity in a large canal or channel measured at a depth of ___________________ gives the mean velocity using the current meter?

   A. 0.6m
   B. 0.5m
   C. 0.6 depth
   D. 0.5 depth

9. The depth of flow at which the energy is maximum is called ____________________?

   A. Super critical depth
   B. Sub-critical depth
   C. Critical depth
   D. All are correct

10. The ratio of change of discharge of an outlet to the rate of change in level of water surface in distributary at its normal depth is called ____________________?

    A. Sensitivity
    B. Flexibility
    C. Durability
    D. Flow ability