Engineering Thermodynamics The polytropic index (n) is given by log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as Kinetic theory of gases Second law of thermodynamics Zeroth law of thermodynamics First law of thermodynamics Kinetic theory of gases Second law of thermodynamics Zeroth law of thermodynamics First law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle is also known as Constant pressure cycle Constant volume cycle Constant temperature cycle Constant temperature and pressure cycle Constant pressure cycle Constant volume cycle Constant temperature cycle Constant temperature and pressure cycle 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 Work done in a free expansion process is Minimum Zero Maximum Positive Minimum Zero Maximum Positive ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied 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 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 ANSWER DOWNLOAD EXAMIANS APP