The friction present in moving devices makes a process reversible.

Related MCQs

• One reversible heat engine operates between 1600 K & T₂ K & another reversible heat engine operates between T₂ K & 400 K. If both the engines have the temperature T₂ must be equal to
• A reversible process coincides with a quasi-static process.
• If a system undergoes a reversible isothermal process without transfer of heat, the temperature at which this process takes place is called
• For a reversible adiabatic process, the change in entropy is
• For any reversible process, the change in entropy of the system & surroundings is
• Which of the following is a reversible process?
• In a reversible adiabatic process head added is equal to
• Which of the following processes is reversible process?
• In the reversible polytropic process the value of exponent n varies between
• In a reversible process