0.05 kg of a certain gas in a piston and cylinder is compressed reversibly until the pressure reaches 0.615 MPa. The initial pressure and volume were 0.1025 MPa and 0.03 m3 respectively. Determine the final temperature, the work done on the gas, the heat flow to or from the cylinder walls. i) When the process is according to law PV14 = C, ii) When the process is isothermal. iii) When the process takes place in a perfectly thermally insulated cylinder. (the molecular weight of a certain gas is 44 and y = 1.3). %3D

0.05 kg of a certain gas in a piston and cylinder is compressed reversibly until the pressure reaches 0.615 MPa. The initial pressure and volume were 0.1025 MPa and 0.03 m3 respectively. Determine the final temperature, the work done on the gas, the heat flow to or from the cylinder walls. i) When the process is according to law PV14 = C, ii) When the process is isothermal. iii) When the process takes place in a perfectly thermally insulated cylinder. (the molecular weight of a certain gas is 44 and y = 1.3). %3D

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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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

0.05 kg of a certain gas in a piston and cylinder is compressed reversibly until the pressure
reaches 0.615 MPa. The initial pressure and volume were 0.1025 MPa and 0.03 m3
respectively. Determine the final temperature, the work done on the gas, the heat flow to or
from the cylinder walls. i) When the process is according to law PV1.4 = C, ii) When the
process is isothermal. iii) When the process takes place in a perfectly thermally insulated
cylinder.
(the molecular weight of a certain gas is 44 and y = 1.3).

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