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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
Parson's turbine is a

Simple reaction turbine
Simple impulse turbine
None of these
Impulse-reaction turbine

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Steam Boilers, Engines, Nozzles and Turbines
The natural draught is produced by

Both (A) and (B)
Chimney
Steam jet
Centrifugal fan

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

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

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Steam Boilers, Engines, Nozzles and Turbines
With increase in load, convection superheater has

Linear characteristic
Flat characteristic
Drooping characteristic
Rising characteristic

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Steam Boilers, Engines, Nozzles and Turbines
Calorific value of coal is of the order of

2000-4000 kcal/ kg
5000-8000 kcal/ kg
200-400 kcal/ kg
800-1200 kcal/ kg

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

Steam condenser
Mercury boiler
Steam turbine
All of the listed here

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