Engineering Thermodynamics
The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will

Decrease
Increase/decrease depending on application
Remain unchanged
Increase

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Engineering Thermodynamics
According to Avogadro's law, for a given pressure and temperature, each molecule of a gas

Occupies volume inversely proportional to its specific weight
Occupies volume inversely proportional to its molecular weight
Occupies same volume
Occupies volume proportional to its specific weight

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