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Steam Nozzles and Turbines

Answer: D

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Answer: C

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53.

In a single stage impulse turbine, the velocity of steam approaching nozzles is negligible.

Answer: A

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54.

The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle)

Answer: A

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Answer: A

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56.

The ratio of total useful heat drop to the total isentropic heat drop, is called

Answer: B

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57.

The critical pressure ratio for initially dry saturated steam is more as compared to initially wet steam.

Answer: B

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58.

Mack number is more than unity in the following portion of a convergent divergent nozzle......

Answer: D

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Answer: B

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60.

The ratio of the cumulative heat drop to the isentropic heat drop is called reheat factor.

Answer: A

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