Q2: A piston/cylinder initially contains air at 150 kPa, 400°C. The setup is allowed to cool to the ambient temperature of 20°C. Assume V2= 0.5 V1, R=0.287 KJ/kg.K. Determine 1) the final pressure in the cylinder? A: 130.6 KP OB: 140.6 KP O C: 150.6 KP D: 160.6 KP

Q2: A piston/cylinder initially contains air at 150 kPa, 400°C. The setup is allowed to cool to the ambient temperature of 20°C. Assume V2= 0.5 V1, R=0.287 KJ/kg.K. Determine 1) the final pressure in the cylinder? A: 130.6 KP OB: 140.6 KP O C: 150.6 KP D: 160.6 KP

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter2: Matter And Energy

Section: Chapter Questions

Problem 30RQ: A gas is compressed inside a compressor's cylinder. When the piston is at its bottom dead center,...

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Concept explainers

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

Question

Q2: A piston/cylinder initially contains air
at 150 kPa, 400°C. The setup is allowed to
cool to the ambient temperature of 20°C.
Assume V2= 0.5 V1, R=0.287 KJ/kg.K.
Determine 1) the final pressure in the
cylinder?
O A: 130.6 KP
O B: 140.6 KP
O) C:150.6 KP
D: 160.6 KP

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