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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
A binary vapor plant consists of

Mercury boiler
Steam condenser
Steam turbine
All of the listed here

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Steam Boilers, Engines, Nozzles and Turbines
The critical pressure gives the velocity of steam at the throat

Equal to the velocity of sound
None of these
Less than the velocity of sound
More than the velocity of sound

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Steam Boilers, Engines, Nozzles and Turbines
Cochran boiler is a

Horizontal fire tube boiler
Vertical water tube boiler
Vertical fire tube boiler
Horizontal water tube boiler

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Steam Boilers, Engines, Nozzles and Turbines
On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by

Vertical straight line
Curved line
Straight inclined line
Horizontal straight line

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Steam Boilers, Engines, Nozzles and Turbines
The length of Cornish boiler varies from

2 to 4.5 m
5 to 7.5 m
7 to 9 m
3 to 5 m

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

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

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