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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
At very low temperature, the melting and boiling temperatures become equal. This temperature is

303°K
0°K
273.16°K
373°K

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Steam Boilers, Engines, Nozzles and Turbines
The expansion of steam in a nozzle follows

Carnot cycle
Rankine cycle
Joule cycle
Stirling cycle

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Steam Boilers, Engines, Nozzles and Turbines
In an impulse reaction turbine, the pressure drops gradually and continuously over

Fixed blades
None of these
Both fixed and moving blades
Moving blades

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Steam Boilers, Engines, Nozzles and Turbines
The fire tubes in a Scotch marine boiler are

Vertical
Inclined
Horizontal
None of the listed here

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Steam Boilers, Engines, Nozzles and Turbines
Bomb calorimeter is used to determine

Higher calorific value at constant volume
Higher calorific value at constant pressure
Lower calorific value at constant pressure
Lower calorific value at constant volume

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Steam Boilers, Engines, Nozzles and Turbines
The basic purpose of drum in boiler is to

Serve as storage of feed water for water wall
Separate steam from water
Serve as storage of steam
Remove salts from water

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