Engineering Thermodynamics A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is 54 kJ 30 kJ 114 kJ 84 kJ 54 kJ 30 kJ 114 kJ 84 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The same volume of all gases would represent their Specific weights Densities Molecular weights Gas characteristic constants Specific weights Densities Molecular weights Gas characteristic constants ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A process of heating crude oil to a high temperature under a very high pressure to increase the yield of lighter distillates, is known as Fractional distillation Cracking Full distillation Carbonization Fractional distillation Cracking Full distillation Carbonization ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Carnot cycle depends upon Temperature limits Cut-off ratio and compression ratio Volume compression ratio Pressure ratio Temperature limits Cut-off ratio and compression ratio Volume compression ratio Pressure ratio 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 -140 kJ +60 kJ -40 kJ -80 kJ -140 kJ +60 kJ -40 kJ -80 kJ 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) All of these (p1 v1 - p2, v2)/(γ - 1) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] [m R (T1 - T2)] /(γ - 1) All of these (p1 v1 - p2, v2)/(γ - 1) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] [m R (T1 - T2)] /(γ - 1) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS