Engineering Thermodynamics A process, in which the gas is heated or expanded in such a way that the product of its pressure and volume remains constant, is called Polytropic process Hyperbolic process Adiabatic process Isothermal process Polytropic process Hyperbolic process Adiabatic process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to which law, all perfect gases change in volume by 1/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant Charles' law Gay Lussac’s law Boyle's law Joule's law Charles' law Gay Lussac’s law Boyle's law Joule's law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of cp/cv for air is 1 1.45 2.3 1.4 1 1.45 2.3 1.4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of gas constant (R) in S. I. units is 2.87 J/kgK 28.7 J/kgK 0.287 J/kgK 287 J/kgK 2.87 J/kgK 28.7 J/kgK 0.287 J/kgK 287 J/kgK ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant) mR (T2 - T1) mcv (T2 - T1) mcp (T2 + T1) mcp (T2 - T1) mR (T2 - T1) mcv (T2 - T1) mcp (T2 + T1) mcp (T2 - T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is 848 kgfm/mol °K 29.27 kgfm/mol °K 427 kgfm/mol °K 8314 kgfm/mol °K 848 kgfm/mol °K 29.27 kgfm/mol °K 427 kgfm/mol °K 8314 kgfm/mol °K ANSWER DOWNLOAD EXAMIANS APP