Chemical Engineering Thermodynamics MCQs

Internal energy of an element at 1 atm and 25° C is __________ kcal/kg.mole.

At the critical point of a substance

In a P-V diagram (for an ideal gas), an isothermal curve will coincide withan adiabatic curve (through a point), when

The shape of T-S diagram for Carnot Cycle is a

With increase in compression ratio, the efficiency of the otto engine

What is the degree of freedom for a system comprising liquid water equilibrium with its vapour?

__________ functions are exemplified by heat and work.

A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P1 and P2. (where, P1 and P2 are initial and final pressures respectively)

Helmholtz free energy (A) is defined as