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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
In a boiler, the heat is lost

In moisture present in the fuel
All of these
To dry flue gases
To steam formed by combustion of hydrogen per kg of fuel

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Steam Boilers, Engines, Nozzles and Turbines
In order to obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will

May improve/worsen depending on size
Remain unaffected
Worsen
Improve

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Steam Boilers, Engines, Nozzles and Turbines
Fire tube boilers are

None of these
Externally fired
Internally fired
Internally as well as externally fired

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Steam Boilers, Engines, Nozzles and Turbines
The heat balance sheet for the boiler shows the

All of these
Steam formed by combustion of hydrogen per kg of fuel
Complete account of heat supplied by 1 kg of dry fuel and the heat consumed
Moisture present in the fuel

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Steam Boilers, Engines, Nozzles and Turbines
Lancashire boiler has __________ internal flue tubes.

Two
One
Four
Three

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Steam Boilers, Engines, Nozzles and Turbines
The bituminous coal is no caking if its carbon content is

78-81%
90-95%
81-85%
85-90%

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