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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A valve installed between the boiler and the feed pump is

Blow off cock
Feed check valve
Steam stop valve
None of these

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of heat utilized to produce steam and the heat liberated in furnace is known as

Boiler efficiency
Factor of evaporation
Boiler evaporative capacity
Boiler effectiveness

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Steam Boilers, Engines, Nozzles and Turbines
Expanding steam to a very low pressure (high vacuum) in steam engines is

Economical
Desirable
Uneconomical
Essential

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Steam Boilers, Engines, Nozzles and Turbines
The flow through a nozzle is regarded as

Isothermal flow
Constant volume flow
Constant pressure flow
Isentropic flow

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Steam Boilers, Engines, Nozzles and Turbines
Stage efficiency is also known as

Nozzle efficiency
None of these
Diagram efficiency
Gross efficiency

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Steam Boilers, Engines, Nozzles and Turbines
The length of shell of a Locomotive boiler is

2 m
4 m
3 m
1 m

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