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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The specific volume of steam with increase in pressure decreases

Linearly
Rapidly first and then slowly
Inversely
Slowly first and then rapidly

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Steam Boilers, Engines, Nozzles and Turbines
The variation of steam pressure in the nozzle depends upon

All of these
Specific volume of steam
Velocity of steam
Dryness fraction of steam

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Steam Boilers, Engines, Nozzles and Turbines
The maximum efficiency of a reaction turbine is

(1 + cos²α)/2 cos²α
2 sin²α/(1 + sin²α)
2 cos²α/(1 + cos²α)
(1 + sin²α)/2 sin²α

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Steam Boilers, Engines, Nozzles and Turbines
All steam engines work on

Zeroth law of thermodynamics
First law of thermodynamics
Second law of thermodynamics
None of the listed here

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Steam Boilers, Engines, Nozzles and Turbines
The maximum discharge through a chimney occurs when the height of chimney is

Around 200 meters
Equal to the height of the hot gas column producing draught
Outside temperature is very low
Infinitely long

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Steam Boilers, Engines, Nozzles and Turbines
The compounding of turbines is done in order to

Reduce exit losses
Reduce speed of rotor
Improve efficiency
All of these

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MORE MCQ ON Steam Boilers, Engines, Nozzles and Turbines

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