Here are some MCQs on Thermodynamics
1. The First Law of Thermodynamics is also known as:
a) Law of Conservation of Energy
b) Law of Conservation of Mass
c) Law of Entropy
d) Law of Thermodynamic Equilibrium
2. Which of the following is not a state function?
a) Enthalpy
b) Pressure
c) Internal energy
d) Entropy
3. The Second Law of Thermodynamics states that:
a) Energy cannot be created or destroyed
b) The entropy of a system always increases
c) Heat always flows from a colder object to a hotter object
d) The internal energy of a system remains constant
4. The process of transferring heat without the presence of a medium is called:
a) Conduction
b) Convection
c) Radiation
d) None of the above
5. The efficiency of a heat engine is given by:
a) (T2 – T1) / T2
b) (T2 – T1) / T1
c) (T1 – T2) / T2
d) (T1 – T2) / T1
