Discussion
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- Question
According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe)
Options- A.
- B.
- C.
- D.
- Correct Answer
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- 1. A nozzle is generally made of
Options- A. cylindrical shape
- B. convergent shape
- C. divergent shape
- D. convergent-divergent shape Discuss
- 2. The discharge in an open channel corresponding to critical depth is
Options- A. zero
- B. minimum
- C. maximum Discuss
- 3. A weir, generally, used as a spillway of a dam is
Options- A. narrow crested weir
- B. broad crested weir
- C. Ogee weir
- D. submerged weir Discuss
- 4. A fluid which obeys the Newton's law of viscosity is termed as
Options- A. real fluid
- B. ideal fluid
- C. newtonian fluid
- D. non-newtonian fluid Discuss
- 5. A fluid whose viscosity changes with the rate of deformation or shear strain is known as non-newtonian fluid.
Options- A. True
- B. False Discuss
- 6. The separation of flow occurs when the hydrodynamic boundary layer thickness is reduced to zero.
Options- A. Agree
- B. Disagree Discuss
- 7. When the flow in an open channel is gradually varied, the flow is said to be
Options- A. steady uniform flow
- B. steady non-uniform flow
- C. unsteady uniform flow
- D. unsteady non-uniform flow Discuss
- 8. The discharge through a convergent mouthpiece is __________ the discharge through an internal mouthpiece of the same diameter and head of water.
Options- A. equal to
- B. one-half
- C. three fourth
- D. double Discuss
- 9. The pressure at a stagnation point is always low.
Options- A. Agree
- B. Disagree Discuss
- 10. The divergent portion of a venturimeter is made longer than convergent portion in order to
Options- A. avoid the tendency of breaking away the stream of liquid
- B. to minimise frictional losses
- C. both (a) and (b)
- D. none of these Discuss
Hydraulics and Fluid Mechanics problems
Search Results
Correct Answer: convergent shape
Correct Answer: maximum
Correct Answer: Ogee weir
Correct Answer: newtonian fluid
Correct Answer: True
Correct Answer: Agree
Correct Answer: steady non-uniform flow
Correct Answer: double
Correct Answer: Disagree
Correct Answer: both (a) and (b)
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