In a Sutro weir, the discharge is proportional to________________?

Related Mcqs:

1. 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

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

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

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

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

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

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

5. 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

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. Which of the following has highest coefficient of discharge ?

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

8. The value of friction factor ‘f’ for smooth pipes for Reynolds number 106 is approximately equal to________________?

   A. 0.1
   B. 0.01
   C. 0.001
   D. 0.0001

9. The horizontal component of force on a curved surface is equal to the_______________?

   A. product of pressure intensity at its centroid and area
   B. force on a vertical projection of the curved surface
   C. weight of liquid vertically above the curved surface
   D. force on the horizontal projection of the curved surface

10. The hydraulic grade line is_________________?

    A. always above the centre line of pipe
    B. never above the energy grade line
    C. always sloping downward in the direction of flow
    D. all of the above