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 draught produced by a steam jet issuing from a nozzle placed in the chimney is called

Induced steam jet draught

None of these

Chimney draught

Forced steam jet draught

Induced steam jet draught

None of these

Chimney draught

Forced steam jet draught

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Steam Boilers, Engines, Nozzles and Turbines
A steam nozzle converts

Heat energy of steam into kinetic energy

Kinetic energy into heat energy of steam

Potential energy into heat energy of steam

Heat energy of steam into potential energy

Heat energy of steam into kinetic energy

Kinetic energy into heat energy of steam

Potential energy into heat energy of steam

Heat energy of steam into potential energy

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Steam Boilers, Engines, Nozzles and Turbines
The mechanical draught _________ with the amount of smoke.

Does not effect

None of these

Increases

Decreases

Does not effect

None of these

Increases

Decreases

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Steam Boilers, Engines, Nozzles and Turbines
A throttle governed steam engine develops 15 kW with 280 kg per hour of steam and 35 kW with 520 kg per hour of steam. The steam consumption in kg per hour when developing 20 kW will be nearly

340 kg/h

280 kg/h

210 kg/h

150 kg/h

340 kg/h

280 kg/h

210 kg/h

150 kg/h

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Steam Boilers, Engines, Nozzles and Turbines
Thermal efficiency of a thermal power plant is of the order of

0.2

0.15

0.45

0.3

0.2

0.15

0.45

0.3

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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 draught produced by a steam jet issuing from a nozzle placed in the chimney is called

Steam Boilers, Engines, Nozzles and Turbines A steam nozzle converts

Steam Boilers, Engines, Nozzles and Turbines The mechanical draught _________ with the amount of smoke.

Steam Boilers, Engines, Nozzles and Turbines A throttle governed steam engine develops 15 kW with 280 kg per hour of steam and 35 kW with 520 kg per hour of steam. The steam consumption in kg per hour when developing 20 kW will be nearly

Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of a thermal power plant is of the order of

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 draught produced by a steam jet issuing from a nozzle placed in the chimney is called

Steam Boilers, Engines, Nozzles and Turbines
A steam nozzle converts

Steam Boilers, Engines, Nozzles and Turbines
The mechanical draught _________ with the amount of smoke.

Steam Boilers, Engines, Nozzles and Turbines
A throttle governed steam engine develops 15 kW with 280 kg per hour of steam and 35 kW with 520 kg per hour of steam. The steam consumption in kg per hour when developing 20 kW will be nearly

Steam Boilers, Engines, Nozzles and Turbines
Thermal efficiency of a thermal power plant is of the order of