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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
With increase in load, radiant superheater has

Rising characteristic
Drooping characteristic
Linear characteristic
Flat characteristic

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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
Boiler evaporative capacity
Factor of evaporation
Boiler effectiveness

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Steam Boilers, Engines, Nozzles and Turbines
The amount of water evaporated in kg per kg of fuel burnt is called

Boiler efficiency
Evaporative capacity of a boiler
None of these
Equivalent evaporation from and at 100° C

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Steam Boilers, Engines, Nozzles and Turbines
The expansion of steam in a nozzle follows

Rankine cycle
Joule cycle
Carnot cycle
Stirling cycle

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Steam Boilers, Engines, Nozzles and Turbines
At which pressure the properties of water and steam become identical

1 kg/cm²
225.6 kg/cm²
0.1 kg/cm²
100 kg/cm²

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Steam Boilers, Engines, Nozzles and Turbines
An economiser is installed in a boiler primarily to

Superheat the steam
All of the listed here
Reduce fuel consumption
Increase steam pressure

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