Discussion
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- Question
One metric slug is equal to
Options- A. 1 kg wt
- B. 9.81 kg wt
- C. 9.81 kg mass
- D. 0.98 kg wt.
- Correct Answer
- 9.81 kg mass
- 1. For uniform flow in canals
Options- A. there is a balance between the frictional loss and drop in elevation of the channel
- B. bed and free water surfaces of a channel are parallel to each other
- C. bed of channel represents the hydraulic gradient
- D. all the above. Discuss
- 2. To measure very low pressure, we use
Options- A. barometers
- B. piezometers
- C. manometers
- D. differential manometers. Discuss
- 3. The ratio of the maximum height to which a jet inclined through ? rises to its total horizontal span is
Options- A.
sin ? - B. cos ?
- C. tan ?
- D. cot ?.
Discuss
- 4. The flow in open channel is said to be critical if the Froude number is :
Options- A. less than 1.0
- B. equal to 1.0
- C. greater than 1.0
- D. None of these. Discuss
- 5. Pick up the correct statement regarding convergent divergent mouth piece from the following :
Options- A. It converges upto Venacontracta and then diverges
- B. In this mouth piece there is no loss of energy due to sudden enlargement
- C. The coefficient of discharge is unity
- D. All the above. Discuss
- 6. Practical fluids possess
Options- A. viscosity
- B. surface tension
- C. compressibility
- D. all the above. Discuss
- 7. An ideal fluid
Options- A. is frictionless and incompressible
- B. obeys Newton's law of velocity
- C. is similar to gas
- D. is very viscous. Discuss
- 8. With a clinging nappe of a weir, the excess discharge, is
Options- A. 6% to 7%
- B. 8% to 10%
- C. 18% to 20%
- D. 25% to 30%
- E. 30% to 40%. Discuss
- 9. In case of laminar flow through a circular pipe,
Options- A. momentum correction factor is 1.33
- B. energy correction factor is 2.00
- C. both (a) and (b)
- D. Neither (a) nor (b). Discuss
- 10. A rise or fall of liquid in a glass tube of a very small diameter when dipped is
Options- A. directly proportional to the force per unit length of periphery
- B. direcly proportional to the sine of the angle of contact
- C. directly proportional to the specific weight of liquid
- D. inversely proportional to the diameter of the glass tube. Discuss
Hydraulics problems
Search Results
Correct Answer: all the above.
Correct Answer: manometers
Correct Answer:
tan ? Correct Answer: equal to 1.0
Correct Answer: All the above.
Correct Answer: all the above.
Correct Answer: is frictionless and incompressible
Correct Answer: 25% to 30%
Correct Answer: both (a) and (b)
Correct Answer: directly proportional to the specific weight of liquid
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