Engineering Thermodynamics
The __________ states that change of internal energy of a perfect gas is directly proportional to the change of temperature.

Charle's law
Joule's law
Gay-Lussac law
Boyle's law

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Engineering Thermodynamics
The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that

Rankine cycle is hypothetical
Heat is supplied to water at temperature below the maximum temperature of the cycle
Carnot cycle can't work with saturated steam
A Rankine cycle receives heat at two places

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