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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Steam engine operates on

Carnot cycle
Stirling cycle
Joule cycle
Brayton cycle

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Steam Boilers, Engines, Nozzles and Turbines
In locomotives, the draught is produced by

Chimney
Both combined (A) and (B)
Induced draft fan
Steam jet draught

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Steam Boilers, Engines, Nozzles and Turbines
Willian’s line follows the law (where b = A constant representing the shape of the Willian’s line, a = Another constant i.e. no load consumption per hour, I.P. = Indicated power, and m = Steam consumption per hour)

I.P. = b × m + a
m = (b/I.P.) - a
I.P. = a × m + b
m = a + b × I.P.

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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

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

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Steam Boilers, Engines, Nozzles and Turbines
When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the pressure of steam entering the engine, then the governing is known as

Cut-off governing
Throttle governing
By-pass governing
None of these

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Steam Boilers, Engines, Nozzles and Turbines
The effect of friction in the nozzle ___ dryness fraction of steam.

Has no effect on
None of the listed here
Increases
Decreases

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