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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The major axis of elliptical manholes on the shell should be provided

Anywhere
On dished end
Longitudinally
Circumferentially

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Steam Boilers, Engines, Nozzles and Turbines
While steam expands in turbines, theoretically the entropy

Increases
Behaves unpredictably
Remains constant
Decreases

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Steam Boilers, Engines, Nozzles and Turbines
The feed check valve is used in order to

Check level of water in boiler drum
Allow high pressure feed water to flow to drum and not allow reverse flow to take place
Recirculate unwanted feed water
Regulate flow of boiler water

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Steam Boilers, Engines, Nozzles and Turbines
With increase in load, radiant superheater has

Rising characteristic
Flat characteristic
Drooping characteristic
Linear characteristic

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following is a water tube boiler?

Locomotive boiler
Cochran boiler
Lancashire boiler
Babcock and Wilcox boiler

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Steam Boilers, Engines, Nozzles and Turbines
In a throttling process

Steam temperature remains constant
Steam pressure remains constant
Steam enthalpy remains constant
Steam entropy remains constant

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