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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Which of the following boiler works on a forced circulation of water?

Lamont boiler
Benson boiler
All of these
Loeffler boiler

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Steam Boilers, Engines, Nozzles and Turbines
The critical pressure at which latent heat of vaporisation is zero is

225.65 kgf/ cm²
273 kgf/ cm²
100 kgf/ cm²
1 kgf/ cm²

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Steam Boilers, Engines, Nozzles and Turbines
The critical pressure ratio for gases is

0.546
0.577
0.582
0.528

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Steam Boilers, Engines, Nozzles and Turbines
Steam exhaust from high pressure turbine is reheated in

Economizer
Superheater tubes
A separate coil located in convection path
Boiler drums

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Steam Boilers, Engines, Nozzles and Turbines
The action of steam in a steam turbine is

Dynamic
Static
Neither static nor dynamic
Static and dynamic

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Steam Boilers, Engines, Nozzles and Turbines
An impulse turbine as compared to a reaction turbine, for a given power has _________ row of blades.

Equal
Less
None of these
More

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