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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The water tubes in a Babcock and Wilcox boiler are

Horizontal and inclined
Inclined
Vertical
Horizontal

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Steam Boilers, Engines, Nozzles and Turbines
The compounding of turbines is done in order to

Reduce exit losses
Improve efficiency
Reduce speed of rotor
All of these

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Steam Boilers, Engines, Nozzles and Turbines
When the circulation of water, in a boiler, is by convection currents which are set up during the heating of water, then the boiler is known as

Forced circulation boiler
Internally fired boiler
Natural circulation boiler
Externally fired boiler

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

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

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Steam Boilers, Engines, Nozzles and Turbines
Desecration of feed water is carried out because it reduces

Corrosion caused by oxygen
pH value of water
Heat transfer coefficient
Cavitation of boiler feed pumps

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

None of these
Lancashire boiler
Yarrow boiler
Babcock and Wilcox boiler

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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