Engineering :: Fluid Mechanics and Hydraulic Machines
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| 271. |
The part of a reservoir water which can be utilized for pwer production or other purposes, is known as |
| A. |
Power storage |
B. |
Main storage |
| C. |
Useful storage |
D. |
Dead storage |
| E. |
Live storage |
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Answer: Option E
Explanation:
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| 272. |
The portion of the power canal which extends from the power house to the recepient water course, is known as |
| A. |
Tail race |
B. |
Discharge channel |
| C. |
Exhaust |
D. |
Tail surge channel |
| E. |
None of the above |
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Answer: Option A
Explanation:
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| 273. |
The force acting on a gravity dam which causes stability is |
| A. |
Reservoir water pressure |
B. |
Wind pressure |
| C. |
Earth and silt pressure |
D. |
Uplift |
| E. |
Weight of the dam |
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Answer: Option E
Explanation:
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| 274. |
Abnormal load on a earth dam is |
| A. |
Water pressure corresponding to full reservoir level |
B. |
Weight of dam and structure above it |
| C. |
Uplift |
D. |
Wave pressure |
Answer: Option D
Explanation:
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| 275. |
A hydro-electric plant is usually temed as high head plant when the head is |
| A. |
more than 5 m |
B. |
more than 15 m |
| C. |
more than 25 m |
D. |
more than 35 m |
| E. |
more than 45 m |
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Answer: Option E
Explanation:
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| 276. |
The turbine that cannot be installed in high head plant is |
| A. |
Pelton wheel, horizontal |
B. |
Pelton wheel, vertical |
| C. |
Francis turbine, horizontal |
D. |
Francis turbine, vertical |
| E. |
Kaplan turbine |
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Answer: Option E
Explanation:
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| 277. |
World's largest capacity hydro-electric generating plant is located in |
| A. |
U.S.A. |
B. |
U.S.S.R. |
| C. |
Germany |
D. |
France |
| E. |
India |
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Answer: Option B
Explanation:
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| 278. |
The generating capacity of world's largest capacity hydroelectric plant is of the order of |
| A. |
1000 MW |
B. |
2000 MW |
| C. |
3000 MW |
D. |
4000 MW |
| E. |
5000 MW |
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Answer: Option E
Explanation:
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| 279. |
Which one of the following method is used to check the stability of gravity dams |
| A. |
Pigeaud's method |
B. |
Finite element method |
| C. |
Slab analogy method |
D. |
Lattice analogy method |
| E. |
All of the above |
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Answer: Option E
Explanation:
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| 280. |
For safety against overturning in a gravity dam, the resultant of all the forces acting on a dam must pass |
| A. |
Outside the base |
B. |
Just at extreme edge of the base |
| C. |
Within 10% of the extreme edge |
D. |
Middle third of the base |
| E. |
First third of the base |
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Answer: Option D
Explanation:
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