1 A jobs for trasemituing a treville force is be be made ly measus of a pile as stores in the flows. wher slood the dinnetier
d
of the pin be? Assuse the the allowalle sloaring sames in ste The 2 Two wites are overactod to a rigid bar as shown in the figure, and a mass of 900 kg is applied. The aross sectional area of the lien w.r.t is Question for the ripht wire are 120 mm , and
E=70CPL
. Caloulate the vertical displacement ar the weight. 3 in a 200 mm diameter bolt circle is subjectet by a torgue of 20 kN . m. Compute the showns strest in the bolus. section as shown in the flour is miless to a powilive hending more of illision assumen-18 5 An aluniture-ally block is loaded as slown in the figure. The application of this lood produes a temille strib of
500\times 10^(4)mm
, per mose A as moreod by moans of melogical of gage. Compute the mappinale of the awlish foree P. Lat E- 100 GPh. All dimensions given in the figure are in mum. 6 An slowon in plane stress is sliforal so fore the samis.Question 1 A empound shall commung of a man scomost and an alsminum seconeni is actod upan by two torques as shown. Determine the maximum permissible value of T subject to the following conditions:
T_(4)<=83MPa
, tes 55 MPa and the angle of motion- of the fire end is limitod to 6. For strel, O-83 GPa and for alaminum,
C=2
米 GPa Owestion 2 A cantilever bean AB of rectangular cross sections with constant hought in and varying wadth b is subjected to a econentrated lond ? at the free end How should the width b vary as a function of
x
(measured from the free mil beam? (Consider enity the enernal stress due to boding, and nssumt that the moximum allowable stress is
Q_(ace )
) Owestion 3 form of looding that produces a finer strian of
1280\mu (m)/(m)
is a point on the top surface of the leam. Doterning the masimes the stuse at the point and the reviting mornes ssocen through the point. Question 4 A remorreed ocoerila besus 200 w.m wids a tassion reinforcument consiss of three 25 . mm - diameter ated burn. The rate of the modult of elasticly is 10 . If the allowable presses are 12 MPa in the constate and 120 MPa in the shal, determint the maximum londing momant for this tours Question 5 seam of recta yoular crownoma Hooke's Inw, fin strens-uris relationato is
d^(')
Es, where s is a musber depondant on the pecerties of the malarial.1 A steel rod 10 m long is used to tratsmit a tensile force of 5 kN without stretch ins more than 3 mm nor exceoling
=
allowable stress of 150 MPz . What must be the diameter of the rod? E - 200 GP . Two vertical forees are applied to a beam of the cross section shown in the figure, Determine the maximum texasile and compressive stresses in portion
BC
of the beam and the maximum shearing stress. Determine the plastic moment of the beam indicated assuming the material to be elastoplastic with a yield strength of 250 MPa . A simply supported composite besm carrying a uniform load over a span of 10 m is made up by blotting a 100 mm by 300 mm timber to the upper flange of a steel beam as shown in the figure. Strain gages located at midspan on the inner surficess of the steel flangs? indicated strains as follows Strain grap? A:
E=-420\times 10^(-6);,
strain get B:E
= 700\times 10^(-6)
, (a) Compute tise total force acting on the timber at this section. (b) if the bolts are placed two in a row at 600 man apart uniformly, what is the average shear forco cartiod by each boln? Assume that each bolt cootributes equally to the resisterse of the total force.
E_(s)-200GPa
, and
E_(c^(**))
12 GPa . A cansilever besm of T-section is loaded by an inclined force of P = 15 kN as shown in the figure. Obtain the peleciple atumes
\sigma _(1)
and
\sigma _(2)
and the muchurs itsplane shear stress
T_(max )^(24)
points
A
and
B
in the web of the beam.