The discharge through a V- notch varies as______________?

Related Mcqs:

1. The boundary layer thickness in turbulent flow varies as______________?

   A. x”7
   B. x,/2
   C. x4/5
   D. x3/5

   where x is the distance from leading edge

2. If x is the distance from leading edge, then the boundary layer thickness in laminar flow varies as________________?

   A. x
   B. x
   C. x
   D. x/7

3. Which of the following is used to measure the discharge ?

   A. current meter
   B. venturimeter
   C. pitot tube
   D. hotwire anemometer

4. 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

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

   A. H1/2
   B. H3/2
   C. H5/2
   D. H

   where H is head

6. 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

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

   A. H/3
   B. H/2
   C. 2 H/5
   D. 2 H/3

   where H is the available head

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

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

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

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

10. Coefficient of velocity of venturimeter_________________?

    A. is independent of Reynolds number
    B. decreases with higher Reynolds number
    C. is equal to the coefficient of discharge of venturimeter
    D. none of the above