Mechanical Engineering - Steam Nozzles and Turbines
Exercise :: Steam Nozzles and Turbines - Section 1
| 16. |
The turbine, in which the general direction of the steam flow is parallel to the turbine axis, is called axial flow turbines |
Answer: Option A
Explanation:
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| 17. |
The critical pressure gives the velocity of steam at the throat equal to the velocity of sound. |
Answer: Option A
Explanation:
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| 18. |
The reheat factor is the ratio of the |
| A. |
cumulative heat drop to the isentropic heat drop | | B. |
isentropic heat drop to the heat supplied | | C. |
total useful heat drop to the total isentropic heat drop | | D. |
none of the above |
Answer: Option A
Explanation:
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| 19. |
The turbine blades do not change the direction of steam issuing from the nozzle. |
Answer: Option B
Explanation:
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| 20. |
Thermal equilibrium means that the flow of steam is |
| A. |
isothermal | | B. |
isentropic | | C. |
hyperbolic | | D. |
polytropic |
Answer: Option B
Explanation:
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