Question 4.9 & 4.12 4. 12 The solid cylinders AB and BC are bonded together at B and attached to fir4. 16 In prsupports at A and C. Knowing that AB is made of aluminum (G=26GPa) and BC of bn(G=39GPª), determine for the loading shown (1) the reaction at each support, (2) than angle 2".allowable lemaximum shearing stress in AB, (3) the maximum shearing stress in BC,4. 17 A 3mfind that thT-50MPa60mmlargest torq(a)(4. 16) to di4. 18 A 3.300mmtorque. Kn.200mm8mmcross sectio(b)shearing strflanges sep125mm125 N-m75mm300mmFig. P4. 12 398N. m300mm282N• mshaft iS0mm2) the0.9m45mmL.Imnaft BChat th40mm6mmImterminto bFig, P4. 5Fig. P4. 94. 8 While an oil well is being drilled at a depth of 2500 m, it is observed that the top of the200mm diameter steel drill pipe (G=77GPA) rotates through 2. 5 rev before the drilling bitstarts to operate. Determine the maximum shearing stress caused in the pipe by torsion.4. 9 The electric motor exerts a 680 N•m torque on the aluminum shaft ABCD when it is rotatingat a constant speed. Knowing that G=25GPA and that the torques exerted on pulleys B and C are asshown, determine the angle of twist between (1) B and C, (2) B and D.

Solution for 4.12 Given torque at B i.e. Tb= 12.5 N m taking counter clockwise as negative(-) As…

4. 12 The solid cylinders AB and BC are bonded tögether to fie supports at A and C. Knowing that AB is made of aluminum (G=26GPa) and BC of bn (G-39GPa), determine for the loading shown (1) the reaction at each support. (2) th maximum shearing stress in AB, (3) the maximum shearing stress in BC.

4. 12 The solid cylinders AB and BC are bonded tögether to fie supports at A and C. Knowing that AB is made of aluminum (G=26GPa) and BC of bn (G-39GPa), determine for the loading shown (1) the reaction at each support. (2) th maximum shearing stress in AB, (3) the maximum shearing stress in BC.

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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Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.

Question

Question 4.9 & 4.12

4. 12 The solid cylinders AB and BC are bonded together at B and attached to fir
4. 16 In pr
supports at A and C. Knowing that AB is made of aluminum (G=26GPa) and BC of bn
(G=39GPª), determine for the loading shown (1) the reaction at each support, (2) th
an angle 2".
allowable le
maximum shearing stress in AB, (3) the maximum shearing stress in BC,
4. 17 A 3m
find that th
T-50MPa
60mm
largest torq
(a)
(4. 16) to di
4. 18 A 3.
300mm
torque. Kn.
200mm
8mm
cross sectio
(b)
shearing str
flanges sep
125mm
125 N-m
75mm
300mm
Fig. P4. 12

398N. m
300mm
282N• m
shaft i
S0mm
2) the
0.9m
45mm
L.Im
naft BC
hat th
40mm
6mm
Im
termin
to b
Fig, P4. 5
Fig. P4. 9
4. 8 While an oil well is being drilled at a depth of 2500 m, it is observed that the top of the
200mm diameter steel drill pipe (G=77GPA) rotates through 2. 5 rev before the drilling bit
starts to operate. Determine the maximum shearing stress caused in the pipe by torsion.
4. 9 The electric motor exerts a 680 N•m torque on the aluminum shaft ABCD when it is rotating
at a constant speed. Knowing that G=25GPA and that the torques exerted on pulleys B and C are as
shown, determine the angle of twist between (1) B and C, (2) B and D.

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