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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The diameter of a cylindrical shell of a Scotch marine boiler varies from

3.5 to 4.5 m
1.5 to 2 m
None of these
2.5 to 3.5 m

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Steam Boilers, Engines, Nozzles and Turbines
A closed vessel made of steel and used for the generation of steam is called a

Steam turbine
Steam injector
Steam condenser
Steam boiler

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Steam Boilers, Engines, Nozzles and Turbines
The length of Lancashire boiler varies from

7.25 to 9 m
9 to 10 m
5 to 6 m
6 to 7 m

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Steam Boilers, Engines, Nozzles and Turbines
A device used in a boiler to control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required, is known as

Blow off cock
Superheater
Stop valve
Fusible plug

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

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

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Steam Boilers, Engines, Nozzles and Turbines
The high steam and low water safety valve is used to blow off steam when the

Water level in the boiler becomes too low
None of these
Both (A) and (B)
Steam pressure exceeds the working pressure

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