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Steam Boilers, Engines, Nozzles and Turbines

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

Steam turbine
Steam condenser
Mercury boiler
All of the listed here

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Steam Boilers, Engines, Nozzles and Turbines
An economiser in a boiler

Decreases fuel consumption
Increases steam pressure
Increases steam flow
Decreases steam pressure

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Steam Boilers, Engines, Nozzles and Turbines
The turbine blades are

Curved
Circular
None of these
Straight

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Steam Boilers, Engines, Nozzles and Turbines
The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height of the chimney in meters, and T1 = Absolute temperature of air outside the chimney in K)

88.25H/T1
T1 /88.25H
T1 /176.5H
176.5H/T1

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Steam Boilers, Engines, Nozzles and Turbines
The expansion of steam in a nozzle follows

Joule cycle
Carnot cycle
Stirling cycle
Rankine cycle

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Steam Boilers, Engines, Nozzles and Turbines
Stage efficiency is also known as

None of these
Diagram efficiency
Nozzle efficiency
Gross efficiency

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