Engineering Thermodynamics The polytropic index (n) is given by log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For the same compression ratio, the efficiency of dual combustion cycle is Less than Diesel cycle and greater than Otto cycle Greater than Diesel cycle and less than Otto cycle Greater than Diesel cycle Less than Diesel cycle Less than Diesel cycle and greater than Otto cycle Greater than Diesel cycle and less than Otto cycle Greater than Diesel cycle Less than Diesel cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The total energy of a molecule is shared equally by the various degrees of freedom possessed by it. This law is known as None of the listed here Law of degradation of energy Law of conservation of energy Law of equipartition of energy None of the listed here Law of degradation of energy Law of conservation of energy Law of equipartition of energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied Free expansion or friction resisted expansion/compression process should not be encountered All of these 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 Free expansion or friction resisted expansion/compression process should not be encountered All of these 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 Change in enthalpy of a system is the heat supplied at Constant temperature Constant pressure Constant volume Constant entropy Constant temperature Constant pressure Constant volume Constant entropy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to Zero Anywhere between zero and infinity +ve -ve Zero Anywhere between zero and infinity +ve -ve ANSWER DOWNLOAD EXAMIANS APP
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