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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
The difference of supersaturated temperature and saturation temperature at that pressure is called

Degree of super-saturation
None of the listed here
Degree of under-cooling
Degree of superheat

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

40 percent
70 percent
50 percent
60 percent

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Steam Boilers, Engines, Nozzles and Turbines
An ideal regenerative cycle is

Less than Carnot cycle
More than Carnot cycle
Could be anything
Equal to Carnot cycle

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Steam Boilers, Engines, Nozzles and Turbines
The velocity of flue gases (V) through the chimney under a static draught of (H') metres is given by

V = 2g H'
V = H'/2g
V = 2g/H'
V = 2gH'

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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)

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

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

Mercury boiler
All of the listed here
Steam turbine
Steam condenser

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