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/ cp =R cp - cv = R cv = R/ γ-1 Both (B) and (C) cv/ cp =R cp - cv = R cv = R/ γ-1 Both (B) and (C) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is 54°C 327°C 108°C 654°C 54°C 327°C 108°C 654°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An adiabatic process is one in which All of these The temperature of the gas changes No heat enters or leaves the gas The change in internal energy is equal to the mechanical work done All of these The temperature of the gas changes No heat enters or leaves the gas The change in internal energy is equal to the mechanical work done ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Heat and work are Intensive properties Point functions System properties Path functions Intensive properties Point functions System properties Path functions ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle depends upon Cut-off ratio and compression ratio Temperature limits Pressure ratio Compression ratio Cut-off ratio and compression ratio Temperature limits Pressure ratio Compression ratio ANSWER DOWNLOAD EXAMIANS APP
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 30 kJ 114 kJ 84 kJ 54 kJ 30 kJ 114 kJ 84 kJ 54 kJ ANSWER DOWNLOAD EXAMIANS APP