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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The natural draught is produced by

Both (A) and (B)
Steam jet
Centrifugal fan
Chimney

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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
An ideal regenerative cycle is

Could be anything
More than Carnot cycle
Less than Carnot cycle
Equal to Carnot cycle

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Steam Boilers, Engines, Nozzles and Turbines
The critical pressure ratio for initially dry saturated steam is

0.582
0.601
0.577
0.546

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Steam Boilers, Engines, Nozzles and Turbines
The fusible plug in small boilers is located

Over the combustion chamber
Above steam dome
In the fire tubes
In the drum

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Steam Boilers, Engines, Nozzles and Turbines
Multi-stage steam turbines are of the

All of these
Pressure compounded type
Reaction type
Velocity compounded type

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