Mechanical Engineering - Hydraulics and Fluid Mechanics
Exercise :: Hydraulics and Fluid Mechanics - Section 4
| 21. |
The viscosity of a liquid __________ its rate of flow through a hole in a vessel. |
| A. |
effects | | B. |
does not effect |
Answer: Option A
Explanation:
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| 22. |
The formula for discharge over a sharp-crested weir and Ogee weir is same as that of a rectangular weir |
Answer: Option A
Explanation:
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| 23. |
The Cippoletti weir is a __________ weir. |
| A. |
rectangular | | B. |
triangular | | C. |
trapezoidal | | D. |
circular |
Answer: Option C
Explanation:
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| 24. |
When a body is placed over a liquid, it will float if |
| A. |
gravitational force is equal to the upthrust of the liquid | | B. |
gravitational force is less than the upthrust of the liquid | | C. |
gravitational force is more than the upthrust of the liquid | | D. |
none of the above |
Answer: Option A
Explanation:
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| 25. |
Gauge pressure at a point is equal to the absolute pressure __________ the atmospheric pressure. |
Answer: Option B
Explanation:
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