Which of the following has the least thermal efficiency ?

Related Mcqs:

Pick out the correct statement ?

A. Entropy and enthalpy are path functions B. In a closed system, the energy can be exchanged with the surrounding, while matter cannot be exchanged C. All the natural processes are reversible in nature D. Work is a state function...

Gibbs-Duhem equation relates composition in liquid phase and the _____________ at constant temperature & pressure?

A. Fugacity B. Partial pressure C. Activity co-efficient D. All (A), (B), and (C)...

Efficiency of a Carnot engine working between temperatures T1 and T2 (T1 < T) is ________________?

A. (T2 – T1)/T2 B. (T2 – T1)/T1 C. (T1 – T2)/T2 D. (T1 – T2)/T1...

The equilibrium constant for a chemical reaction at two different temperatures is given by__________________?

A. Kp2/Kp1 = – (ΔH/R) (1/T2 – 1/T1) B. Kp2/Kp1 = (ΔH/R) (1/T2 – 1/T1) C. Kp2/Kp1 = ΔH (1/T2 – 1/T1) D. Kp2/Kp1 = – (1/R) (1/T2 – 1/T1)...

Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are_______________?

A. Always greater than one B. Same at the same reduced temperature C. Same at the same reduced pressure D. Both B. & C...