Engineering Thermodynamics The compression ratio for petrol engines is 15 to 30 5 to 8 10 to 20 3 to 6 15 to 30 5 to 8 10 to 20 3 to 6 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) 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) cv/ cp =R ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The pressure exerted by an ideal gas is ________ of the kinetic energy of all the molecules contained in a unit volume of gas. Two-third One-third One-half Three-forth Two-third One-third One-half Three-forth ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy Decreases Remain constant First increases and then decreases Increases Decreases Remain constant First increases and then decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In closed cycle gas turbine, the air is compressed Isothermally None of these Polytropically Isentropically Isothermally None of these Polytropically Isentropically ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Reversed joule cycle is called Brayton cycle Carnot cycle Rankine cycle Bell Coleman cycle Brayton cycle Carnot cycle Rankine cycle Bell Coleman cycle ANSWER DOWNLOAD EXAMIANS APP