Entropy occurs due to                

Related MCQs

• The entropy increase due to internal irreversibility is also called entropy production or entropy generation.
• Consider the following statements: The definition of 1. temperature is due to zeroth law of thermodynamics 2. entropy is due to first law of thermodynamics 3. internal energy is due to second law of thermodynamics 4. reversibility is due to Kelvin-Planck's ststement of these statements
• 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
• According to entropy principle, the entropy of an isolated system can never decrease and remains constant only when the process is reversible.
• 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.
• Entropy occurs due to  
• In all irrevesible processes, the entropy of the system
• For a reversible adiabatic process, the change in entropy is
• For any reversible process, the change in entropy of the system & surroundings is