The magnitude of the hoop (Le. stress on the
The magnitude of the radial stress at 55 mm (D,
longitudinal planes) stress at 110 mm d), in
MP0, is between
_
I:
_u
3.3
in MP0, is between
II
II
23 and 27
n 27,1 and 32
32,1 and 38
_n

s, ;
Cape Peninsula
University of Technology
FACULTY: ENGINEERING
I
SUBJECT ANNEXUREs: J PAGES: 9 me-
ASM3OOS _
APPLIED STRENGTH OF _ .
MATERIALS 3 l DATE: 30/04/2014 14-00 to 16-30
DEPARTMENT: MECHANICAL ENG

Question 2
The magnitude of the Pressure of the test The magnitude of the Hoop Stress (i.e. stress on
medium in MP0, is between , the longitudinal planes) in the Cylinder in MP0,
is between.
E_
_
_
a
_II
The magnitude of the Hoop Stress (Le. stress on

gm
A lightweight, homogeneous, isotropic alloy, from which a pressure vessel is made, has a modulus of elasticity
value of 100 GPa and an absolute value of Poissons ratio of 0,27. The vessel has an internal diameter of 600
mm and a total internal length o

DH 01 .3 r
Q'Ussrtom 266
A homogeneous, isotropic material with a Youngs modulus value of200 GPaXand a Poissons ratio value
of 0.31 has a tensile stress otlO MPa and a positive shear stress of 60 lVLPa applied to its xz planes and a
. Compressive stress

Question 4
For the Built-in beam in fig. 1:
Determine the values of the reactions as well as the fixing moments at the ends.
Determine in terms of the Second Moment of Area I and Modulus of Elasticity Ethe deflection at point C.
Point C is 3 m from point

I
I of-i/W"? I _ STL3B
K7 mgr
O]
93.3 [1.011 I
66 Mar/c5 12! minutes
Test/ Toets 2 ~ 2007/2
gure ! is a strain circle that represents. the strains on the )0." planes ofa Specin'ten ofhomogenous, isotropic
aterial that is loaded on its .1": and y: p

STL 3B
Four Questions, 66marks ~ 2 hours
Test] e 2010/]
Question 1
A homogeneous, isotropic material is so loaded that there is a tensile stress of 60 MPa applied to the yz
planes and a compressive stress of 100 MPa applied to the x'z planes. A positive

'I-
STL 33
Test 2/ Toets 2
105 minutes 57 Marks
Ema = 200 GPa, unless otherwise speCified
_ 7
Question I Q MW e.
(a) A short length of circular hollow section, identied as O 2 on the enclosed circular hollow sections data
sheet, is used as an anchor. The

Question 1.a
The Lesser strain reading * 10's, is between,
1a1
_
_
_n
The strain reading on gauge number 1 * 10's, is
between,
1a3
II
II
IM
u -28 and 37
a 50 and 60
_I
The angle to the lesser principal strain,
1a5
meas

The magnitude of the hoop (Le. stress on the
longitudinal planes) stress at 110 mm d), in
The magnitude of the radial stress at 55 mm 11>,
3.3 in MP0, is between
MPO, is between
27,1 and 32
32,1 and 38
:
The torque that can be transmitted clue to th

Question 1.b
The applied direct stress reading on the x2
plane in MP0, is between,
a -23 and -30
B 33 and 40
-45 and 50
: -82 and 86
lII
1b1 The applied direct stress reading on the yz )2
plane in MP0, is between,
1:
u
_
_
_a