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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Which of the following boiler works on a forced circulation of water?

All of these
Loeffler boiler
Lamont boiler
Benson boiler

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

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

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Steam Boilers, Engines, Nozzles and Turbines
The latent heat of steam at pressures greater than atmospheric in comparison to latent heat at atmospheric pressure is

Less
More
Equal
May be less or more depending on temperature

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Steam Boilers, Engines, Nozzles and Turbines
Blading efficiency is also known as

Nozzle efficiency
Diagram efficiency
None of these
Stage efficiency

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Steam Boilers, Engines, Nozzles and Turbines
During polytropic process

All of these
Heat transfer takes place across cylinder walls
Steam may be wet, dry or superheated after expansion
Work is done

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Steam Boilers, Engines, Nozzles and Turbines
The steam leaves the nozzle at a

Low pressure and a high velocity
Low pressure and a low velocity
High pressure and a low velocity
High pressure and a high velocity

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