Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source All of these It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of universal gas constant is None of these None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as Diesel cycle Rankine cycle Dual combustion cycle Atkinson cycle Diesel cycle Rankine cycle Dual combustion cycle Atkinson cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is a reversible non-flow process? Isochoric process Isobaric process All of these Hyperbolic process Isochoric process Isobaric process All of these Hyperbolic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be Zero Infinity Minimum Maximum Zero Infinity Minimum Maximum ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Charles' law states that all perfect gases change in volume by __________ of its original volume at 0°C for every 1°C change in temperature, when pressure remains constant. 1/27th 1/93th 1/273th 1/173th 1/27th 1/93th 1/273th 1/173th ANSWER DOWNLOAD EXAMIANS APP
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