Engineering Thermodynamics The polytropic index (n) is given by log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log [(p1v1)/(p2v2)] log (p1p2)/log (v1v2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics No liquid can exist as liquid at Zero pressure 273°K Centre of earth Vacuum Zero pressure 273°K Centre of earth Vacuum ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is -80 kJ -40 kJ -140 kJ +60 kJ -80 kJ -40 kJ -140 kJ +60 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Reversed joule cycle is called Bell Coleman cycle Rankine cycle Carnot cycle Brayton cycle Bell Coleman cycle Rankine cycle Carnot cycle Brayton cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of cp/cv for air is 1 2.3 1.45 1.4 1 2.3 1.45 1.4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat and mechanical energies are mutually convertible. This statement was established by Joule Charles Boyle None of these Joule Charles Boyle None of these ANSWER DOWNLOAD EXAMIANS APP