Q1: Rigid bar ABCD is loaded and supported asshown in Figure, Bar (1) is made of bronze [E=100GPa; a =16.9 * 10-6 /0C) and has a cross sectionalarea of 400 mm2. Bar (2) is made of aluminum [E=70GPa; a22.5 * 10-6 /0C) and has a cross sectionalarea of 600 mm2. Bar (1) and (2) are initiallyunstressed. If the temperature of bar (1) only has beenincreased by 40 0C, determinea) The stresses in bars (1) and (2).b) The vertical deflection of point A.

Answered: Image /qna-images/answer/5b8aabdb-03ec-4fef-933c-e991dae286eb.jpg

21: Rigid bar ABCD is loaded and supported as Shown in Figure. Bar ((1) is made of bronze [E-100 GPa; a %3D 16.9 * 10-6 /0C] and has a cross sectional area of 400 mm2. Bar (2) is made of aluminum [E=70 GPa; a = 22.5 10-6 /0C1 and has a cross sectional area of 600 mm2. Bar (1) and (2) are initially unstressed. If the temperature of bar (1) only has been ** increased by 40 0C, determine 20 a) The stresses in bars (1) and (2). b) The vertical deflection of point A.

21: Rigid bar ABCD is loaded and supported as Shown in Figure. Bar ((1) is made of bronze [E-100 GPa; a %3D 16.9 * 10-6 /0C] and has a cross sectional area of 400 mm2. Bar (2) is made of aluminum [E=70 GPa; a = 22.5 10-6 /0C1 and has a cross sectional area of 600 mm2. Bar (1) and (2) are initially unstressed. If the temperature of bar (1) only has been ** increased by 40 0C, determine 20 a) The stresses in bars (1) and (2). b) The vertical deflection of point A.

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

Q1: Rigid bar ABCD is loaded and supported as
shown in Figure, Bar (1) is made of bronze [E=100
GPa; a =
16.9 * 10-6 /0C) and has a cross sectional
area of 400 mm2. Bar (2) is made of aluminum [E=70
GPa; a
22.5 * 10-6 /0C) and has a cross sectional
area of 600 mm2. Bar (1) and (2) are initially
unstressed. If the temperature of bar (1) only has been
increased by 40 0C, determine
a) The stresses in bars (1) and (2).
b) The vertical deflection of point A.

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