Steam Boilers, Engines, Nozzles and Turbines
Which of the following statement is correct for steam turbines as compared to reciprocating steam engines?

The steam consumption is less
A steam turbine develops higher speeds
All of these
The efficiency of steam turbine is higher

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Steam Boilers, Engines, Nozzles and Turbines
Besides mean effective pressure, the data required to determine the indicated power of an engine include

Piston diameter, length of stroke and speed of rotation
Piston diameter, length of stroke and calorific value of fuel
Specific fuel consumption, speed of rotation and torque
Piston diameter, specific fuel consumption and Calorific value of fuel

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Steam Boilers, Engines, Nozzles and Turbines
In accelerated circulation type boiler

Water is supplied in drum and through down comers located in atmospheric condition it passes to the water wall and rises to drum in the form of mixture of water and steam
Feed pump is employed to supplement natural circulation in water wall type furnace
Water is converted into steam in one pass without any recirculation
Heating takes place at bottom and the water supplied at bottom gets converted into the mixture of steam bubbles and hot water which rise to drum

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