[試題] 101上 王安邦 材料力學第一次期末考
課程名稱︰材料力學
課程性質︰必修
課程教師︰王安邦
開課學院：工學院
開課系所︰化工系
考試日期（年月日）︰2013/1/8
考試時限（分鐘）：100mins
是否需發放獎勵金：是
（如未明確表示，則不予發放）
試題 :
1.the thin-walled cylindrical pressure vessel shown in Fig. 1 has an inside
diameter of 20in. and a wall thickness of 3/8in. the vessel is subjected to an
internal pressure of p and a torque of T. at a point on the outside surface of
the steel(E=30000 ksi and v=0.30)vessel, the strain rosette as in the right
was used to obtain the following normal strain data:εa=36μin./in,εb=310μ
in.
εc=150μin./in. gage a and c are oriented in the axial and hoop directions of
the fessel,respectively. Determine the pressure p and the torque T.
http://ppt.cc/SXsz
2.A W 102X19 wide-flange beam is loaded and supported as shown in Fig.2 please
use the table B-2 as shown to determine the maximum tensile and compressive
flexural stresses in the beam.
http://ppt.cc/1Za0
3.the 160mm diameter steel(G=80GPa) shaft shown in Fig.3 has a 100-mm-diameter
bronze(G=40GPa) core inserted in 3m of its right end. The bronze is securely
bonded to the steel. Determine
a.the maximum shearing stress in each of the materials.
b.the rotation of the free end of the shaft.
http://ppt.cc/8JUE
4.the cantilever beam ABC shown in Fig.4 has a second moment of area of 4I in
the interval AB and a secomd moment of area of I in the interval BC. please
determine
a.the deflection at section B
b.the deflection at section C
http://ppt.cc/P8Vf
5.A teddy bear is standing on the chair in Figure5.the orce exerted by teddy
bear on the fram at one side of the chair is equivalent to horizontal and
vertical forces of 12kN and 42kN,respectively,at E and a force of 14N perpendicular to
member BH at G.
determine the maximum tensile and compressive normal stresses on a section
midway between pins C and F. Member BH has a 10x30 mm cross section and the
30-mm dimension lies in the paper plane.
http://ppt.cc/0WT2
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◆ From: 140.112.246.37
※ 編輯: hank0526 來自: 140.112.246.37 (01/15 21:40)
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01/16 09:50, , 1F
01/16 09:50, 1F