Engineering Thermodynamics The polytropic index (n) is given by 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) log (p1p2)/log (v1v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Stirling cycle is __________ Carnot cycle. Equal to None of these Greater than Less than Equal to None of these Greater than Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant pressure Its volume will increase Neither temperature not volume will increase Its temperature will increase Both temperature and volume will increase Its volume will increase Neither temperature not volume will increase Its temperature will increase Both temperature and volume will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Clausius statement of second law of thermodynamics Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is Feasible Impossible Possible, but with lot of sophistications Possible Feasible Impossible Possible, but with lot of sophistications Possible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The specific heat of water is 2.512 4.187 None of these 1.817 2.512 4.187 None of these 1.817 ANSWER DOWNLOAD EXAMIANS APP