Chemical Engineering Thermodynamics Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)? Vapour compression with a reversible expansion engine Carnot cycle Ordinary vapour compression cycle Air cycle Vapour compression with a reversible expansion engine Carnot cycle Ordinary vapour compression cycle Air cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At the critical point of a substance Liquid and vapour have the same density All of these There is no distinction between liquid and vapour phases The surface tension vanishes Liquid and vapour have the same density All of these There is no distinction between liquid and vapour phases The surface tension vanishes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called __________ temperature. Boyle Critical Inversion Reduced Boyle Critical Inversion Reduced ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Grams of butane (C₄H₁₀) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be 580 Data insufficient; can't be computed 640 1160 580 Data insufficient; can't be computed 640 1160 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of a close thermodynamic system, there is __________ across the boundaries. No heat and mass transfer None of these No mass transfer but heat transfer Mass and energy transfer No heat and mass transfer None of these No mass transfer but heat transfer Mass and energy transfer ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is affected by the temperature? Fugacity Activity co-efficient All of these Free energy Fugacity Activity co-efficient All of these Free energy ANSWER DOWNLOAD EXAMIANS APP
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