Engineering Thermodynamics
According to Gay Lussac’s law for a perfect gas, the absolute pressure of given mass varies directly as

Absolute temperature, if volume is kept constant
None of these
Volume, if temperature is kept constant
Temperature

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

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

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