Mechanical Engineering - Hydraulics and Fluid Mechanics
Exercise :: Hydraulics and Fluid Mechanics - Section 2
21. |
The Francis formula for the discharge over Cippoletti weir is |
A. |
1.84 LH1/2 | B. |
1.84 LH | C. |
1.84 LH3/2 | D. |
1.84 LH5/2 |
Answer: Option C
Explanation:
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22. |
Laminar flow __________ place at very low velocities. |
Answer: Option A
Explanation:
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23. |
A manometer can be used to measure vacuum pressures. |
Answer: Option A
Explanation:
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24. |
The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a rectangular notch is given by |
Answer: Option D
Explanation:
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25. |
The tendency of a liquid to uplift a submerged body, because of the upward thrust of the liquid, is known as buoyancy. |
Answer: Option A
Explanation:
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