Surge wave in a rectangular channel is an example of_________________?

Related Mcqs:

1. A rectangular block 2 m long, 1 m wide and 1 m deep floats in water, the depth of immersion being 0.5 m. If water weighs 10 kN/m3, then the weight of the block is________________?

   A. 5kN
   B. lOkN
   C. 15 kN
   D. 20 kN

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. A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of________________?

   A. 3.75 m
   B. 4.0 m
   C. 4.2m
   D. 4.5m

4. When time of closure tc = L/v0 (where L is length of pipe and v0 is speed of pressure wavE., the portion of pipe length subjected to maximum head is__________________?

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

5. A valve is suddenly closed in a water main in wl.ich the velocity is 1 m/sec and velocity of pressure wave is 981 m/ sec. The inertia head at the valve will be________________?

   A. 1 m
   B. 10m
   C. 100m
   D. none of the above

6. The speed of a pressure wave through a pipe depends upon________________?

   A. the length of pipe
   B. the viscosity of fluid
   C. the bulk modulus for the fluid
   D. the original head

7. Equation of continuity is based on the principle of conservation of_________________?

   A. mass
   B. energy
   C. momentum
   D. none of the above

8. The total pressure on a plane surface inclined at an angle 9 with the horizontal is equal to_______________?

   A. PA
   B. pA sin 9
   C. pA cos 9
   D. pA tan 9

   where p is pressure intensity at centroid of area and A is area of plane surface

9. Size of a venturimeter is specified by________________?

   A. pipe diameter
   B. throat diameter
   C. angle of diverging section
   D. both pipe diameter as well as throat diameter

10. Which of the following is an incorrect statement ?

    A. Coefficient of contraction of a venturimeter is unity
    B. Flow nozzle is cheaper than venturimeter but has higher energy loss
    C. Discharge is independent of orientation of venturimeter whether it is horizontal, vertical or inclined
    D. None of the above statement is correct.