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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
By compounding the expansion of steam in two or more cylinders, the ratio of expansion

None of these
Does not change
Increases
Decreases

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Steam Boilers, Engines, Nozzles and Turbines
In a nozzle, whole frictional loss is assumed to occur between

All of these
Inlet and throat
Throat and exit
Inlet and outlet

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Steam Boilers, Engines, Nozzles and Turbines
The selection of type and size of a steam boiler depends upon

The fuel and water available
All of these
The geographical position of the power house
The power required and working pressure

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Steam Boilers, Engines, Nozzles and Turbines
Fire tube boilers are limited to a maximum design working pressure of

17 kg/cm²
1 kg/cm
6 kg/cm
100 kg/cm²

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Steam Boilers, Engines, Nozzles and Turbines
The natural draught is produced by

Both (A) and (B)
Steam jet
Centrifugal fan
Chimney

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Steam Boilers, Engines, Nozzles and Turbines
The heat loss in a boiler takes place in the form of

Moisture present in fuel and steam formed by combustion of hydrogen in fuel
Heat carried away by flue gases
Heat carried away by ash
All of these

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