100% efficiency of a thermal cycle cannot be achieved because of

Steam Boilers, Engines, Nozzles and Turbines
100% efficiency of a thermal cycle cannot be achieved because of

Non availability of ideal substance

Leakage

Frictional losses

It is not possible to achieve 0°K temperature

Non availability of ideal substance

Leakage

Frictional losses

It is not possible to achieve 0°K temperature

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Steam Boilers, Engines, Nozzles and Turbines
The heat balance sheet for the boiler shows the

Complete account of heat supplied by 1 kg of dry fuel and the heat consumed

Moisture present in the fuel

Steam formed by combustion of hydrogen per kg of fuel

All of these

Complete account of heat supplied by 1 kg of dry fuel and the heat consumed

Moisture present in the fuel

Steam formed by combustion of hydrogen per kg of fuel

All of these

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Steam Boilers, Engines, Nozzles and Turbines
When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by

(h + hf1)/2257

(h × hf1)/2257

None of these

(h - hf1)/2257

(h + hf1)/2257

(h × hf1)/2257

None of these

(h - hf1)/2257

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Steam Boilers, Engines, Nozzles and Turbines
The draught produced by a steam jet issuing from a nozzle placed in the ash-pit under the fire grate of the furnace is called

Chimney draught

Forced steam jet draught

None of these

Induced steam jet draught

Chimney draught

Forced steam jet draught

None of these

Induced steam jet draught

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Steam Boilers, Engines, Nozzles and Turbines
The cylindrical shell of a Lancashire boiler has diameter from

1.5 to 2.5 m

1 to 2 m

1.75 to 2.75 m

1.25 to 2.25 m

1.5 to 2.5 m

1 to 2 m

1.75 to 2.75 m

1.25 to 2.25 m

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Steam Boilers, Engines, Nozzles and Turbines
Steam turbines are used for

Electric power generation

Direct drive of fans, compressors, pumps

All of these

Large marine propulsion

Electric power generation

Direct drive of fans, compressors, pumps

All of these

Large marine propulsion

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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of

Steam Boilers, Engines, Nozzles and Turbines The heat balance sheet for the boiler shows the

Steam Boilers, Engines, Nozzles and Turbines When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by

Steam Boilers, Engines, Nozzles and Turbines The draught produced by a steam jet issuing from a nozzle placed in the ash-pit under the fire grate of the furnace is called

Steam Boilers, Engines, Nozzles and Turbines The cylindrical shell of a Lancashire boiler has diameter from

Steam Boilers, Engines, Nozzles and Turbines Steam turbines are used for

Steam Boilers, Engines, Nozzles and Turbines
100% efficiency of a thermal cycle cannot be achieved because of

Steam Boilers, Engines, Nozzles and Turbines
The heat balance sheet for the boiler shows the

Steam Boilers, Engines, Nozzles and Turbines
When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by

Steam Boilers, Engines, Nozzles and Turbines
The draught produced by a steam jet issuing from a nozzle placed in the ash-pit under the fire grate of the furnace is called

Steam Boilers, Engines, Nozzles and Turbines
The cylindrical shell of a Lancashire boiler has diameter from

Steam Boilers, Engines, Nozzles and Turbines
Steam turbines are used for