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Steam Nozzles and Turbines

61.

The value of critical pressure ratio for superheated steam is.......

Answer: B

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62.

The value of the reheat factor varies from

Answer: A

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63.

If a flow is to be continuously accelerated from a subsonic to a supersonic velocity in nozzle,it must ......

Answer: C

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Answer: C

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Answer: A

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66.

In a De-Laval impulse turbine, the nozzle is kept very close to the blades.

Answer: A

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67.

A turbine is said to have an axial discharge when the steam leaves the blade tip at __________ to the direction of the blade motion.

Answer: B

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68.

The velocity of steam, in reaction turbines, is increased in the fixed blades as well as in moving blades.

Answer: A

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Answer: B

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Answer: B

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