Engineering Thermodynamics
When the gas is heated at constant pressure, the heat supplied

Increases the temperature of the gas
Does some external work during expansion
Increases the internal energy of the gas
Both (B) and (C)

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Engineering Thermodynamics
The mass of flue gas per kg of fuel is the ratio of the

Mass of carbon in 1 kg of flue gas to the mass of carbon in 1 kg of fuel
Mass of carbon in 1 kg of fuel to the mass of carbon in 1 kg of flue gas
Mass of oxygen in 1 kg of flue gas to the mass of oxygen in 1 kg of fuel
Mass of oxygen in 1 kg of fuel to the mass of oxygen in 1 kg of flue gas

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Engineering Thermodynamics
According to Avogadro’s law

All of these
Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules
The sum of partial pressure of the mixture of two gases is sum of the two
The product of the gas constant and the molecular mass of an ideal gas is constant

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