Engineering Thermodynamics The polytropic index (n) is given by log (p1p2)/log (v1v2) log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log (p2/ p1)/log (v1/ v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following process can be made reversible with the help of a regenerator? Constant volume process Constant pvn process All of these Constant pressure process Constant volume process Constant pvn process All of these Constant pressure process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The specific heat of air increases with increase in Variation of its constituents Temperature Both pressure and temperature Pressure Variation of its constituents Temperature Both pressure and temperature Pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Entropy change depends on Thermodynamic state Heat transfer Mass transfer Change of temperature Thermodynamic state Heat transfer Mass transfer Change of temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The gas constant (R) is equal to the __________ of two specific heats. Product Sum Difference Ratio Product Sum Difference Ratio ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics furnishes the relationship between Heat and work Heat, work and properties of the system Various thermodynamic processes Various properties of the system Heat and work Heat, work and properties of the system Various thermodynamic processes Various properties of the system ANSWER DOWNLOAD EXAMIANS APP