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

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

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Steam Boilers, Engines, Nozzles and Turbines
In recuperative air preheaters, the heat is transferred

From a metal wall from one medium to another
From heating an intermediate material and then heating the air from this material
Heat is transferred by bleeding some gases from furnace
By direct mixing

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Steam Boilers, Engines, Nozzles and Turbines
Pick up the correct statement as regards Cornish boiler and Lancashire boiler

Lancashire has two fire tubes and Cornish has one
Cornish is water tube and Lancashire is fire tube
Cornish has two fire tubes and Lancashire has one
Cornish is fire tube and Lancashire is water tube

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