List of top Metallurgical Engineering Questions on Thermodynamics asked in TS PGECET

Which of the following is true for an adiabatic process?
Identify the incorrect statement:
According to Trouton's rule, the entropy of vaporization is primarily related to:
Given statements:
I. An isolated system exchanges matter and energy with surroundings
II. A closed system exchanges only energy with surroundings
III. An open system does not exchange matter or energy
The ratio of any two extensive properties is independent of:
In transient heat conduction, the lumped capacitance method is valid only when:
Which of the following is correct for entropy change in a reversible process?
From Clausius-Clapeyron equation, assuming constant $\Delta H_v$, the slope of $\ln P$ vs $1/T$ is:
The difference of \( C_P \) and \( C_V \) of a substance is:
Ellingham diagram for metal–oxide system doesn’t give idea about:
In a reversible cycle, the sum of change in \( \frac{q}{T} \) is
(where \( q \) is heat absorbed and \( T \) is absolute temperature):
Second law of thermodynamics can be stated as:
An expression for Gibbs free energy is:
Identify the incorrect statement:
“The heat capacity of a solid compound is equal to the sum of the heat capacities of its constituent elements”. This statement is known as:
“It is impossible for a heat engine to be 100% efficient.” This statement is related to:
If a system is completely ordered and the atoms are at rest at zero Kelvin, then the entropy of the system is: