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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The amount of water evaporated from feed water at _________ into dry and saturated steam at 100° C at normal atmospheric pressure is called equivalent evaporation from and at 100° C.

60°C
100°C
40°C
0°C

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Steam Boilers, Engines, Nozzles and Turbines
Proximate analysis of fuel is determination of percentage of

Carbon, hydrogen, nitrogen, sulphur, moisture
Lower calorific value
Higher calorific value
Fixed carbon, ash, volatile matter, moisture

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Steam Boilers, Engines, Nozzles and Turbines
Steam engine operates on

Carnot cycle
Stirling cycle
Brayton cycle
Joule cycle

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

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

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Steam Boilers, Engines, Nozzles and Turbines
Throttle governing of steam engines is a method of controlling the engine output by varying

Pressure of intake steam
Temperature of intake steam
Volume of intake steam
All of these

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Steam Boilers, Engines, Nozzles and Turbines
The efficiency of steam turbines may be improved by

Binary vapor plant
Reheating of steam
Any one of these
Regenerative feed heating

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