Engineering Thermodynamics
The door of a running refrigerator inside a room was left open. Which of the following statements is correct?

The temperature of the air in room will remain unaffected
The room will be cooled to the temperature inside the refrigerator
The room will be gradually warmed up
The room will be cooled very slightly

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

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

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