4-7. Are the following statements true or false?(a) The efficiency of a refrigerator is inversely proportional to the temperature differencebetween indoors and outdoors.(b) The efficiency of an automobile is inversely proportional to the temperature differencebetween the engine and the outside air.(c) The efficiency of a heat pump is directly proportional to the temperature differencebetween indoors and outdoors.(d) One of the key energy conversion devices in an electric power plant converts work toheat.(e) One of the key energy conversion devices in an automobile converts heat to work.(f) The efficiency of conversion of heat to work is typically higher than the efficiency ofconversion of work to heat.

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Answered: 4-7. Are the following statements true…

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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The given equation is the fundamental equation of a two-component system. s = NA + NRln( ) - N, R n) – N;Rln(*) UŽV – N¡Rln) – N2Rln) N = N1 + N2 where A is a constant. A closed rigid cylinder having a volume of 10.00 L has been divided into 2 chambers with equal volumes by a diathermal rigid membrane that is only permeable to the 1st component. (1). A system's sample with original parameters N1")= 0.5, N2"= 0.75 and T"= 300 K is placed in one chamber. On the second chamber, a sample with the following original parameters is placed: N = 1, N5 = 0.50 and T2- 250 K. 1 After establishing equilibrium, what are the values of N), N ,T and P?

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