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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler is

All of these
Horizontal boiler
Internally fired boiler
Stationary fire tube boiler

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Steam Boilers, Engines, Nozzles and Turbines
The steam enters the nozzle at a

High pressure and a high velocity
High pressure and a low velocity
Low pressure and a high velocity
Low pressure and a low velocity

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

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

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

Lancashire boiler
None of these
Babcock and Wilcox boiler
Yarrow boiler

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Steam Boilers, Engines, Nozzles and Turbines
Tertiary air is the air used to

Cool the scanners
Transport and dry the coal
Convert CO (formed in lower zone of furnace) into CO₂ at higher zone
Provide air around burners for obtaining optimum combustion

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

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

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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