Engineering Thermodynamics The condition for the reversibility of a cycle is The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process The working parts of the engine must be friction free All the processes, taking place in the cycle of operation, must be extremely slow All of these The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process The working parts of the engine must be friction free All the processes, taking place in the cycle of operation, must be extremely slow All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero temperature is taken as -273°C -237°C 273°C 237°C -273°C -237°C 273°C 237°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as Enthalpy Internal energy Entropy External energy Enthalpy Internal energy Entropy External energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Those substances which have so far not been resolved by any means into other substances of simpler form are called Atoms Molecules Elements Compounds Atoms Molecules Elements Compounds ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Characteristic gas constant of a gas is equal to Cp + Cv Cp - Cv Cv /Cp Cp /Cv Cp + Cv Cp - Cv Cv /Cp Cp /Cv ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For reversible adiabatic process, change in entropy is Zero Negative Minimum Maximum Zero Negative Minimum Maximum ANSWER DOWNLOAD EXAMIANS APP
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