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 114 kJ 84 kJ 30 kJ 54 kJ 114 kJ 84 kJ 30 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics No liquid can exist as liquid at 273°K Zero pressure Vacuum Centre of earth 273°K Zero pressure Vacuum Centre of earth ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a system after undergoing a series of processes, returns to the initial state then Process is thermodynamically in equilibrium Process is executed in closed system cycle Sum of heat and work transfer will be zero Its entropy will change due to irreversibility Process is thermodynamically in equilibrium Process is executed in closed system cycle Sum of heat and work transfer will be zero Its entropy will change due to irreversibility ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The energy of molecular motion appears as Potential energy Surface tension Friction Heat Potential energy Surface tension Friction Heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When cut-off ratio is ________; the efficiency of Diesel cycle approaches to Otto cycle efficiency 43834 43835 2 Zero 43834 43835 2 Zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific heat at constant volume, γ = cp/cv, known as adiabatic index, and R = Gas constant) cv = R/ γ-1 Both (B) and (C) cp - cv = R cv/ cp =R cv = R/ γ-1 Both (B) and (C) cp - cv = R cv/ cp =R ANSWER DOWNLOAD EXAMIANS APP
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