Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied All of these Free expansion or friction resisted expansion/compression process should not be encountered When beat is being rejected, temperature of cold source and working substance should be same When heat is being absorbed, temperature of hot source and working substance should be same All of these Free expansion or friction resisted expansion/compression process should not be encountered When beat is being rejected, temperature of cold source and working substance should be same When heat is being absorbed, temperature of hot source and working substance should be same ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Addition of heat at constant pressure to a gas results in Raising its volume Raising its pressure Raising its temperature and doing external work Raising its temperature Raising its volume Raising its pressure Raising its temperature and doing external work Raising its temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Kinetic energy of the molecules in terms of absolute temperature (T) is proportional to Vr T J J² Vr T J J² ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Total heat of a substance is also known as Internal energy Entropy Enthalpy Thermal capacity Internal energy Entropy Enthalpy Thermal capacity ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant) 1.5 Ru × T 3 Ru × T Ru × T 2 Ru × T 1.5 Ru × T 3 Ru × T Ru × T 2 Ru × T ANSWER DOWNLOAD EXAMIANS APP
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