Engineering Thermodynamics The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant) Ru × T 1.5 Ru × T 2 Ru × T 3 Ru × T Ru × T 1.5 Ru × T 2 Ru × T 3 Ru × T ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be Infinity Maximum Minimum Zero Infinity Maximum Minimum Zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) v2/v1 (v1 + v2)/v2 (v1 + v2)/v1 v1/v2 v2/v1 (v1 + v2)/v2 (v1 + v2)/v1 v1/v2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If value of n is infinitely large in a polytropic process pVn = C, then the process is known as constant Enthalpy Volume Pressure Temperature Enthalpy Volume Pressure Temperature 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 8314 kgfm/mol °K 848 kgfm/mol °K 427 kgfm/mol °K 29.27 kgfm/mol °K 8314 kgfm/mol °K 848 kgfm/mol °K 427 kgfm/mol °K 29.27 kgfm/mol °K 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) mcp (T2 - T1) mcv (T2 - T1) mcp (T2 + T1) mR (T2 - T1) mcp (T2 - T1) mcv (T2 - T1) mcp (T2 + T1) ANSWER DOWNLOAD EXAMIANS APP