Mechanical Engineering - Steam Nozzles and Turbines
Exercise :: Steam Nozzles and Turbines - Section 2
| 31. |
The pressure of steam __________ while flowing through a nozzle. |
| A. |
increases | | B. |
decreases | | C. |
remains constant |
Answer: Option B
Explanation:
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| 32. |
The process of maintaining the speed of the turbine constant for various load conditions, is known as |
| A. |
bleeding | | B. |
reheating | | C. |
governing | | D. |
none of these |
Answer: Option C
Explanation:
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| 33. |
Reheating of steam in a turbine |
| A. |
increases the workdone through the turbine | | B. |
increases the efficiency of the turbine | | C. |
reduces wear on the blades | | D. |
all of these |
Answer: Option D
Explanation:
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| 34. |
Which of the following statement is correct for steam turbines as compared to reciprocating steam engines? |
| A. |
A steam turbine develops higher speeds | | B. |
The efficiency of steam turbine is higher | | C. |
The steam consumption is less | | D. |
all of these |
Answer: Option D
Explanation:
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| 35. |
The density of supersaturated steam is about __________ that of the ordinary saturated vapour at the corresponding pressure. |
| A. |
same as | | B. |
2 times | | C. |
4 times | | D. |
8 times |
Answer: Option D
Explanation:
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