The critical pressure at which latent heat of vaporisation is zero is

Steam Boilers, Engines, Nozzles and Turbines
The critical pressure at which latent heat of vaporisation is zero is

273 kgf/ cm²

225.65 kgf/ cm²

100 kgf/ cm²

1 kgf/ cm²

273 kgf/ cm²

225.65 kgf/ cm²

100 kgf/ cm²

1 kgf/ cm²

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Steam Boilers, Engines, Nozzles and Turbines
The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as

Factor of evaporation

Power of a boiler

Boiler efficiency

Equivalent evaporation

Factor of evaporation

Power of a boiler

Boiler efficiency

Equivalent evaporation

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Steam Boilers, Engines, Nozzles and Turbines
Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler?

Cornish boiler has one flue tube whereas Lancashire boiler has two flue tubes

Cornish boiler has two flue tubes whereas Lancashire boiler has one flue tube

Cornish boiler is a water tube boiler whereas Lancashire boiler is a fire tube boiler

Cornish boiler is a fire tube boiler whereas Lancashire boiler is a water tube boiler

Cornish boiler has one flue tube whereas Lancashire boiler has two flue tubes

Cornish boiler has two flue tubes whereas Lancashire boiler has one flue tube

Cornish boiler is a water tube boiler whereas Lancashire boiler is a fire tube boiler

Cornish boiler is a fire tube boiler whereas Lancashire boiler is a water tube boiler

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Steam Boilers, Engines, Nozzles and Turbines
A device used to increase the temperature of saturated steam without raising its pressure, is called

Blow off cock

Stop valve

Fusible plug

Superheater

Blow off cock

Stop valve

Fusible plug

Superheater

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Steam Boilers, Engines, Nozzles and Turbines
The specific heat of superheated steam in kcal/kg is generally of the order of

0.3

0.5

0.8

0.1

0.3

0.5

0.8

0.1

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Steam Boilers, Engines, Nozzles and Turbines
Mechanical equivalent of heat for 1 kcal or Joule's equivalent is equal to

539 kg.m

421 kg.m

102 kg.m

421 kg.m

539 kg.m

421 kg.m

102 kg.m

421 kg.m

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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines The critical pressure at which latent heat of vaporisation is zero is

Steam Boilers, Engines, Nozzles and Turbines The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as

Steam Boilers, Engines, Nozzles and Turbines Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler?

Steam Boilers, Engines, Nozzles and Turbines A device used to increase the temperature of saturated steam without raising its pressure, is called

Steam Boilers, Engines, Nozzles and Turbines The specific heat of superheated steam in kcal/kg is generally of the order of

Steam Boilers, Engines, Nozzles and Turbines Mechanical equivalent of heat for 1 kcal or Joule's equivalent is equal to

Steam Boilers, Engines, Nozzles and Turbines
The critical pressure at which latent heat of vaporisation is zero is

Steam Boilers, Engines, Nozzles and Turbines
The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as

Steam Boilers, Engines, Nozzles and Turbines
Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler?

Steam Boilers, Engines, Nozzles and Turbines
A device used to increase the temperature of saturated steam without raising its pressure, is called

Steam Boilers, Engines, Nozzles and Turbines
The specific heat of superheated steam in kcal/kg is generally of the order of

Steam Boilers, Engines, Nozzles and Turbines
Mechanical equivalent of heat for 1 kcal or Joule's equivalent is equal to