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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
In water wall furnace, the heat is transferred to the water walls by

Radiation
Radiation and conduction
Conduction
Convection

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Steam Boilers, Engines, Nozzles and Turbines
Willian's law states that the steam consumption per hour provided with a throttled governor is proportional to (where I.P. = Indicated power)

I.P.
1/(I.P)²
(I.P.)²
1/(I.P)

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Steam Boilers, Engines, Nozzles and Turbines
The fittings mounted on the boiler for its proper and safe functioning is a

Safety valve
Pressure gauge
All of these
Water level indicator

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Steam Boilers, Engines, Nozzles and Turbines
The actual power supplied by the engine crankshaft is called

Frictional power
Brake power
Indicated power
None of these

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Steam Boilers, Engines, Nozzles and Turbines
In which of the following boilers, the draught in furnace is increased by utilising exhaust steam from engine

Babcock and Wilcox boiler
Lancashire boiler
Benson boiler
Locomotive boiler

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Steam Boilers, Engines, Nozzles and Turbines
A condenser in a steam power plant

Reduces back pressure of steam
All of these
Increases expansion ratio of steam
Reduces temperature of exhaust steam

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