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)

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

88.25H/T1

T1 /88.25H

176.5H/T1

T1 /176.5H

88.25H/T1

T1 /88.25H

176.5H/T1

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Steam Boilers, Engines, Nozzles and Turbines
The maximum discharge of steam through a convergent-divergent nozzle depends upon

Area of nozzle at throat

Both (A) and (B)

Final pressure of steam leaving the nozzle

Initial pressure and volume of steam

Area of nozzle at throat

Both (A) and (B)

Final pressure of steam leaving the nozzle

Initial pressure and volume of steam

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Steam Boilers, Engines, Nozzles and Turbines
In forced circulation steam boilers, the force is applied

All of these

To circulate water

To draw water

To drain off the water

All of these

To circulate water

To draw water

To drain off the water

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Steam Boilers, Engines, Nozzles and Turbines
At which pressure the properties of water and steam become identical

0.1 kg/cm²

100 kg/cm²

225.6 kg/cm²

1 kg/cm²

0.1 kg/cm²

100 kg/cm²

225.6 kg/cm²

1 kg/cm²

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

1 to 2 m

2 to 3 m

0.5 to 1 m

1.25 to 2.5 m

1 to 2 m

2 to 3 m

0.5 to 1 m

1.25 to 2.5 m

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Steam Boilers, Engines, Nozzles and Turbines
One kg of steam sample contains 0.8 kg dry steam? Its dryness fraction is

1

0.6

0.2

0.8

1

0.6

0.2

0.8

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Steam Boilers, Engines, Nozzles and Turbines

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)

Steam Boilers, Engines, Nozzles and Turbines The maximum discharge of steam through a convergent-divergent nozzle depends upon

Steam Boilers, Engines, Nozzles and Turbines In forced circulation steam boilers, the force is applied

Steam Boilers, Engines, Nozzles and Turbines At which pressure the properties of water and steam become identical

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

Steam Boilers, Engines, Nozzles and Turbines One kg of steam sample contains 0.8 kg dry steam? Its dryness fraction is

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)

Steam Boilers, Engines, Nozzles and Turbines
The maximum discharge of steam through a convergent-divergent nozzle depends upon

Steam Boilers, Engines, Nozzles and Turbines
In forced circulation steam boilers, the force is applied

Steam Boilers, Engines, Nozzles and Turbines
At which pressure the properties of water and steam become identical

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

Steam Boilers, Engines, Nozzles and Turbines
One kg of steam sample contains 0.8 kg dry steam? Its dryness fraction is