For a cycle, is the net work necessarily zero? For what kinds of systems will this be the case?

Q: Can a system have a higher second-law efficiency than the first-law efficiency during a process?…

A: Yes, a system can have a higher second -law efficiency than the first-law efficiency during a…

Q: When is work said to be done by a system. Is there any difference between work transfer and heat…

A: Work done is a way through which energy transfer occurs between the system  Energy is the ability or…

Q: The second-law efficiency of naturally occurring processes is zero if none of the work potential is…

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Q: Starting from the 1st law of thermodynamics, prove that the change in the entropy of an ideal gas…

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Q: 53.4 lbm of air in a rigid container at 22 psia and 400 R absorbs 3.04127 kW*hr of energy from an…

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Q: Shown below is the PV-diagram for a counterclockwise cycle. Determine the work done during the…

A: Shown below is the PV-diagram for a counterclockwise cycle. Determine the work done during the…

Q: Steam enters a turbine at 3 MPa and 600 C and leaves at 100 kPa and 100 C. In the process, it losses…

A: Given At turbine inlet P1=3MPaT1=600oCAt turbine outletP2=100 kPaT2=100oCQ=-150 kWm˙=2 kg/s

Q: Give an example of Energy and entropy balances for a system.

A: Let's first understand entropy and energy. Entropy is basically defined as the ratio of the…

Q: Explain the Reversible work relations for steady-flow and closed systems.

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Q: A cylindrical container, 6m in radius and 3m long, with a lid holds 1.657 x 107 moles of water at 30…

A: Givenr=6mL=3mn=1.657×107 molesT1=30oCW=3000 kWT2=50oCQ=50 kW/m2ρ=1 g/cm3Cp=4.18 kJ/kgoC

Q: There is no useful work transfer associated with boundary work when the pressure of the system is…

A: Whenever the boundary of a control volume changes, the surrounding air due to atmospheric pressure…

Q: The relation of pressure to volume for a closed system undergoing a cyclic reversible process is…

A: Given data,  P3=1 bar= 100000 Pa. P1= 3 bar = 300000 Pa.  V2= 0.15 m3  V3= 0.05 m3

Q: A heat source at 600 K loses 1000 kJ of heat to a sink at 300 K. The Entropy generated in this…

A: As per question we given determine the Entropy generated in this process would be equal

Q: For irreversible adiabatic expansion or compression of an ideal gas, work is equal to the internal…

A: Adiabatic process-A process, in which no heat transfer takes place.when there is nointernal friction…

Basic Thermodynamic Processes

The word 'thermodynamics' can be divided into two words, 'thermo' and 'dynamics'. The word thermo deals with the heat and thermal phenomenon, whereas dynamics deals with forces or external agent that drives the heat flow or aids in the motion of heat.