Engineering Thermodynamics
The increase in entropy of a system represents

Increase in availability of energy
Degradation of energy
Decrease in pressure
Increase in temperature

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Engineering Thermodynamics
Gases have

Under some conditions one value and sometimes two values of specific heat
Two values of specific heat
No value of specific heat
Only one value of specific heat

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

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

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