A cylinder of cross-section area A is divided into twochambers 1 and 2, by means of a frictionless piston. Thechambers initially have equal length L. Both chambersare filled with 1 mole of ideal gas, wlth initial pressuresM2Po and Po, respectively. The piston is then allowed toslide freely, whereupon the gas in chamber 1 pushes thepiston a distance 1 to equalize the pressure. Consider thefollowing two cases:m(i) The outer walls of the chambers and the piston do notw w mw mallow heat transfer. Denote the distance l as la in thiscase.(ii) The piston does not allow heat transfer but thechambers are in contact with two heat reservoirsw wwseparately, at temperature Tl and T2 for chambers 1and 2, respectively. Denote the distance 1 as ld in thiscase. Calculate the ratio la/ld ? Does this ratio have asmall or big vala

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A cylinder of cross-section area A is divided into two chambers 1 and 2, by means of a frictionless piston. The chambers initially have equal length L. Both chambers are filled with 1 mole of ideal gas, wlth initial pressures 2Po and Po, respectively. The piston is then allowed to slide freely, whereupon the gas in chamber 1 pushes the piston a distance 1 to equalize the pressure. Consider the following two cases: (i) The outer walls of the chambers and the piston do not allow heat transfer. Denote the distance l as la in this case. (ii) The piston does not allow heat transfer but the chambers are in contact with two heat reservoirs separately, at temperature Tl and T2 for chambers 1 and 2, respectively. Denote the distance l as ld in this case. Calculate the ratio la/ld ? Does this ratio have a ww in small or big value?

A cylinder of cross-section area A is divided into two chambers 1 and 2, by means of a frictionless piston. The chambers initially have equal length L. Both chambers are filled with 1 mole of ideal gas, wlth initial pressures 2Po and Po, respectively. The piston is then allowed to slide freely, whereupon the gas in chamber 1 pushes the piston a distance 1 to equalize the pressure. Consider the following two cases: (i) The outer walls of the chambers and the piston do not allow heat transfer. Denote the distance l as la in this case. (ii) The piston does not allow heat transfer but the chambers are in contact with two heat reservoirs separately, at temperature Tl and T2 for chambers 1 and 2, respectively. Denote the distance l as ld in this case. Calculate the ratio la/ld ? Does this ratio have a ww in small or big value?

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

A cylinder of cross-section area A is divided into two
chambers 1 and 2, by means of a frictionless piston. The
chambers initially have equal length L. Both chambers
are filled with 1 mole of ideal gas, wlth initial pressures
M
2Po and Po, respectively. The piston is then allowed to
slide freely, whereupon the gas in chamber 1 pushes the
piston a distance 1 to equalize the pressure. Consider the
following two cases:
m
(i) The outer walls of the chambers and the piston do not
w w mw m
allow heat transfer. Denote the distance l as la in this
case.
(ii) The piston does not allow heat transfer but the
chambers are in contact with two heat reservoirs
w ww
separately, at temperature Tl and T2 for chambers 1
and 2, respectively. Denote the distance 1 as ld in this
case. Calculate the ratio la/ld ? Does this ratio have a
small or big vala

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