Question 1.9 A beam is constructed of a channel section. The cross section has the dimensions indicated in Figure Q19 and the moment of inertia (second moment of area) about the z axis (the neutral axis) is I -1 kNm. The maximum tensile stress o,and maximum compressive stress o, resulting from this bending moment are 1.2 x 100 mm. The bending moment at a certain point is M= 15 mm C 55 mm Figure Q1.9 O a. o = 29.2 MPa and oc = -29.2 MPa Ot=-29.2 MPa and oc = 29.2 MPa ot = 45.8 MPa and oc = -12.5 MPa o = 12.5 MPa and oc = -45.8 MPa O b. O C. O d.

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Chapter4: Numerical Analysis Of Heat Conduction
Section: Chapter Questions
Problem 4.43P
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Question 1.9
Qu
A beam is constructed of a channel section. The cross section has the dimensions indicated in Figure Q19 and the moment of
inertia (second moment of area) about the z axis (the neutral axis) is I=1.2 x 10 mm. The bending moment at a certain point is M =
-1 kNm. The maximum tensile stress o,and maximum compressive stress o resulting from this bending moment are
15 mm
2-
H
C
Iss mm
Figure Q1.9
ot = 29.2 MPa and oc = -29.2 MPa
ot-29.2 MPa and oc = 29.2 MPa
O C.
ot = 45.8 MPa and oc = -12.5 MPa
O d. ot 12.5 MPa and oc = -45.8 MPa
O a.
O b.
Transcribed Image Text:Question 1.9 Qu A beam is constructed of a channel section. The cross section has the dimensions indicated in Figure Q19 and the moment of inertia (second moment of area) about the z axis (the neutral axis) is I=1.2 x 10 mm. The bending moment at a certain point is M = -1 kNm. The maximum tensile stress o,and maximum compressive stress o resulting from this bending moment are 15 mm 2- H C Iss mm Figure Q1.9 ot = 29.2 MPa and oc = -29.2 MPa ot-29.2 MPa and oc = 29.2 MPa O C. ot = 45.8 MPa and oc = -12.5 MPa O d. ot 12.5 MPa and oc = -45.8 MPa O a. O b.
Question 8
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answered
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2.00
P Flag question
O a.
Slide
Final exam Remotely Prod
+b,h,d +
b₂h
12
+ b₂h₂d²
12
Question 1.8
A box beam shown in Figure Q1.8 is subject to a bending moment about the z axis. The normal stress with the maximum magnitude due
to the bending moment occurs at
A
IC
B
Figure Q1.8
Point C
O b.
Point A
Oc.
Point B
O d. Point D
Transcribed Image Text:Question 8 Not yet answered Marked out of 2.00 P Flag question O a. Slide Final exam Remotely Prod +b,h,d + b₂h 12 + b₂h₂d² 12 Question 1.8 A box beam shown in Figure Q1.8 is subject to a bending moment about the z axis. The normal stress with the maximum magnitude due to the bending moment occurs at A IC B Figure Q1.8 Point C O b. Point A Oc. Point B O d. Point D
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