Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 - (T2/T1) 1 + (T2/T1) 1 - (T1/T2) (T1/T2) - 1 1 - (T2/T1) 1 + (T2/T1) 1 - (T1/T2) (T1/T2) - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of carbon produces ___ kg of carbon dioxide. 11/7 3/7 11/3 4/11 11/7 3/7 11/3 4/11 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant Temperature Internal energy Volume Pressure Temperature Internal energy Volume Pressure 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 cv/ cp =R Both (B) and (C) cp - cv = R cv = R/ γ-1 cv/ cp =R Both (B) and (C) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following processes is irreversible process? All of these Isothermal Throttling Adiabatic All of these Isothermal Throttling Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Isochoric process is one in which Very little mechanical work is done by the system No mechanical work is done by the system All parameters remain constant Free expansion takes place Very little mechanical work is done by the system No mechanical work is done by the system All parameters remain constant Free expansion takes place ANSWER DOWNLOAD EXAMIANS APP