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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The pressure of reheat steam after passing through reheater compared to inlet condition is

Equal
Less
More
May be more or less depending on capacity of reheater

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of the clearance volume to the swept volume is called

Clearance ratio
Cut-off ratio
Expansion ratio
None of these

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

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

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following is correct? (Where pa = Actual mean effective pressure, pm = Theoretical mean effective pressure, and K = Diagram factor)

pa = pm × K
pa = pm + K
pa = pm/K
pa = K/pm

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Steam Boilers, Engines, Nozzles and Turbines
Efficiency of a thermal cycle increases by

Cooling of steam
Reheating of steam
Regeneration
Both (A) and (B)

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following are boiler accessories?

None of these
Superheater
Economizer
Both (A) and (B)

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