Mechanical Engineering - Steam Nozzles and Turbines
Exercise :: Steam Nozzles and Turbines - Section 2
| 36. |
The ratio of the workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam is called |
| A. |
blading efficiency | | B. |
nozzle efficiency | | C. |
stage efficiency | | D. |
mechanical efficiency |
Answer: Option C
Explanation:
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| 37. |
The diagram efficiency is the ratio of |
| A. |
workdone on the blades to the energy supplied to the blades | | B. |
workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam | | C. |
energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam | | D. |
none of the above |
Answer: Option A
Explanation:
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| 38. |
The Rankine efficiency depends upon total useful heat drop and total isentropic heat drop. |
Answer: Option B
Explanation:
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| 39. |
Blading efficiency is also known as |
| A. |
stage efficiency | | B. |
diagram efficiency | | C. |
nozzle efficiency | | D. |
none of these |
Answer: Option B
Explanation:
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| 40. |
The pressure of steam, in reaction turbines, is reduced in the fixed blades as well as in moving blades. |
Answer: Option A
Explanation:
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