Engineering Thermodynamics A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is May be possible with lot of sophistications Not possible Theoretically possible Cost will be very high May be possible with lot of sophistications Not possible Theoretically possible Cost will be very high 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 - 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)] ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Entropy change depends on Heat transfer Thermodynamic state Mass transfer Change of temperature Heat transfer Thermodynamic state Mass transfer Change of temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle consists of Two constant volume and two isothermal processes Two constant pressure and two isentropic processes Two constant volume and two isentropic processes One constant pressure, one constant volume and two isentropic processes Two constant volume and two isothermal processes Two constant pressure and two isentropic processes Two constant volume and two isentropic processes One constant pressure, one constant volume and two isentropic processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One barometric pressure or 1 atmospheric pressure is equal to 0 kgf/cm² 1 kgf/cm² 1.0197 kgf/cm² 1.033 kgf/cm² 0 kgf/cm² 1 kgf/cm² 1.0197 kgf/cm² 1.033 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant) pv = mRT pv = RTm pv = (RT)m pvm = C pv = mRT pv = RTm pv = (RT)m pvm = C ANSWER DOWNLOAD EXAMIANS APP