Engineering Thermodynamics The polytropic index (n) is given by log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) 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 427 kgfm/mol °K 8314 kgfm/mol °K 29.27 kgfm/mol °K 848 kgfm/mol °K 427 kgfm/mol °K 8314 kgfm/mol °K 29.27 kgfm/mol °K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The more effective way of increasing efficiency of Carnot engine is to Increase higher temperature Decrease lower temperature Decrease higher temperature Increase lower temperature Increase higher temperature Decrease lower temperature Decrease higher temperature Increase lower temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work-done during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats) [m R (T1 - T2)] /(γ - 1) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] All of these (p1 v1 - p2, v2)/(γ - 1) [m R (T1 - T2)] /(γ - 1) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] All of these (p1 v1 - p2, v2)/(γ - 1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One molecule of oxygen consists of __________ atoms of oxygen. 8 2 16 4 8 2 16 4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Petrol is distilled at 220° to 345°C 470° to 550°C 65° to 220°C 345° to 470°C 220° to 345°C 470° to 550°C 65° to 220°C 345° to 470°C ANSWER DOWNLOAD EXAMIANS APP
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