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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
An ideal regenerative cycle is

Less than Carnot cycle
Could be anything
Equal to Carnot cycle
More than Carnot cycle

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

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

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Steam Boilers, Engines, Nozzles and Turbines
Cut-off ratio is the ratio of

Volume at cut-off to the clearance volume
Swept volume to the volume at cut-off
Clearance volume to the volume at cut-off
Volume at cut-off to the swept volume

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Steam Boilers, Engines, Nozzles and Turbines
The shell diameter of a Locomotive boiler is

1 m
1.5 m
2.5 m
2 m

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Steam Boilers, Engines, Nozzles and Turbines
The maximum discharge of steam through a convergent-divergent nozzle depends upon

Area of nozzle at throat
Both (A) and (B)
Initial pressure and volume of steam
Final pressure of steam leaving the nozzle

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

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

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