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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Steam engine operates on

Stirling cycle
Brayton cycle
Joule cycle
Carnot cycle

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Steam Boilers, Engines, Nozzles and Turbines
A _________ in a boiler is used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit.

Safety valve
Stop valve
Fusible plug
Blow off cock

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Steam Boilers, Engines, Nozzles and Turbines
The expansion of steam, as it flows over the blades in reaction turbine, represents

Isothermal process
Free expansion process
Isentropic process
Throttling process

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Steam Boilers, Engines, Nozzles and Turbines
The reheat factor depends upon

Initial pressure and superheat
Exit pressure
All of these
Turbine stage efficiency

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Steam Boilers, Engines, Nozzles and Turbines
O₂ content in atmospheric air on weight basis is

0.21
0.3
0.23
0.4

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Steam Boilers, Engines, Nozzles and Turbines
The turbine blades are

None of these
Straight
Curved
Circular

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