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ME Set-1
Steam Nozzles and Turbines
99

Steam Nozzles and Turbines MCQ with Answers

99) Steam turbines may be classified according to

direction of steam flow

number of stages

mode of steam action

all of these

Answer is:

all of these

Explanation:

Steam turbines may be classified according to
* direction of steam flow
* number of stages
* mode of steam action

Steam Nozzles and Turbines MCQ with Answers

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Related Steam Nozzles and Turbines MCQ with Answers

100) The process of draining steam from the turbine, at certain points during its expansion and using this steam for heating the feed water in feed water heaters and then supplying it to the boiler is known as

regenerative heating

reheating of steam

bleeding

none of these

Answer is:

bleeding

101) In a 50% reaction turbine stage, tangential component of absolute velocity at rotor inlet is 537 m/s and the blade velocity is 454 m/s. The power output in kW of steam will be

260 kW

282 kW

296 kW

302 kW

Answer is:

282 kW

102) In an impulse turbine, steam expands

wholly in blades

wholly in nozzle

partly in the nozzle and partly in blades

none of these

Answer is:

wholly in nozzle

103) In a nozzle, the effect of supersaturation is to increase the dryness fraction of steam.

Yes

No

Unknown

None

Answer is:

Yes

Steam Nozzles and Turbines MCQ with Answers

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