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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
If partial pressure of air and steam be ‘pa’ and ‘ps’ respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to

None of these
ps - pa
pa + ps
pa - ps

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Steam Boilers, Engines, Nozzles and Turbines
The length of Cornish boiler is of the order of

79 m
57.5 m
35 m
24 m

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following is a water tube boiler?

Lancashire boiler
Locomotive boiler
Cochran boiler
Babcock and Wilcox boiler

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Steam Boilers, Engines, Nozzles and Turbines
In forced circulation steam boilers, the force is applied

To drain off the water
To circulate water
All of these
To draw water

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

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

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

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

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