In all irrevesible processes, the entropy of the system

Related MCQs

• The entropy increase due to internal irreversibility is also called entropy production or entropy generation.
• According to entropy principle, the entropy of an isolated system can never decrease and remains constant only when the process is reversible.
• 1.6 Kg of air is expanded at constant pressure from 100°C to 0°C resulting in entropy change of - 2.0 J/K 3.2 Kg of air is cooled at constant volume from 100°C to 0°C with a change in entropy of -3.0 J/K. The ratio Cp/ Cv is
• The rate of entropy increase of the control volume          or          the net rate of entropy transfer to it.
• The rate at which entropy is transferred out must          the rate at which entropy enters the control volume.
• For any reversible process, the change in entropy of the system & surroundings is
• In a reversible cycle, the entropy of the system
• When two gases suddenly mix up with each other then resultant entropy of the system will
• Increase in entropy of a system represents
• Entropy is called the property of a system because