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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Benson boiler requires

Three drums
No drum
One drum
Two drums

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Steam Boilers, Engines, Nozzles and Turbines
The number of water level indicators in a boiler are generally __________ in number.

One
Four
Two
Three

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Steam Boilers, Engines, Nozzles and Turbines
The factor of evaporation for all boilers is always

Equal to unity
None of these
Less than unity
Greater than unity

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Steam Boilers, Engines, Nozzles and Turbines
For combustion of a fuel, following is essential

O₂ to support combustion
All the three above
Proper ignition temperature
Correct fuel air ratio

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

Linear characteristic
Drooping characteristic
Rising characteristic
Flat characteristic

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Steam Boilers, Engines, Nozzles and Turbines
The reheat factor is the ratio of the

Isentropic heat drop to the heat supplied
Cumulative heat drop to the isentropic heat drop
Total useful heat drop to the total isentropic heat drop
None of these

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