Engineering Thermodynamics The polytropic index (n) is given by 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) log [(p1v1)/(p2v2)] ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For which of the following substances, the internal energy and enthalpy are the functions of temperature only Perfect gas Any gas Water Saturated steam Perfect gas Any gas Water Saturated steam ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics On volume basis, air contains following parts of oxygen 77 23 21 25 77 23 21 25 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An ideal gas as compared to a real gas at very high pressure occupies Same volume Unpredictable behavior Less volume More volume Same volume Unpredictable behavior Less volume More volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Stirling and Ericsson cycles are Irreversible cycles Quasi-static cycles Reversible cycles Semi-reversible cycles Irreversible cycles Quasi-static cycles Reversible cycles Semi-reversible cycles ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The energy of molecular motion appears as Friction Potential energy Heat Surface tension Friction Potential energy Heat Surface tension ANSWER DOWNLOAD EXAMIANS APP