Post on 19-Feb-2018
7/23/2019 2015- 15CD 002- Advanced Mechanics of Materials PII
1/1
Department of Mechanical Engineering M.E. (CAD)
I Semester
15CD002 Advanced Mechanics of Materials Second Series Test
Time: 1.3hrs. Date: 11.1.!1" Ma#. Mar$s: " Mar$s
PART-A (9 2 ! 1" #ar$s%
Ans&er A'' )estions
1. %hat is stress tensor&
!. Define 'oo$s a*.
3. %hat +o, meant -+ plane stress conition&
/. %hen *e ha0e o select the plane strain conition&
". Define Strain.
. Dra* the stress2strain c,r0e for mil steel specimen an specif+ the important
point on the c,r0e.
. %hat o +o, meant -+ -o,nar+ conitions&
4. %hat is Air+s stress f,nction&
5. %rite the generali6e 'oo$s la* for orthotropic material.
PART-7 (2 1* ! +2 #ar$s%
Ans&er A'' )estions
1. (i) Dri0e the relation of ifferential e8,ations of e8,ili-ri,m for a three imensional-o+.ii. The stress fiel *ithin an elastic str,ct,ral mem-er is e#presse as
follo*s:
Determine the -o+ force istri-,tion re8,ire for e8,ili-ri,m.
9r
11. The stress components at a point in a plate are ## ; 21 M