MOUNTING V-BELT PULLEYS ON IT. OF THESE STATEMENTS (A) 2 AND 3 ARE...
4. Mounting V-belt pulleys on it.
Of these statements
(a) 2 and 3 are correct (b) 1 and 4 are correct
(c) 2 and 4 are correct (d) 1 and 3 are correct
IES-32. Ans. (d)
Design of Joint
S K Mondal’s
Chapter 1
Welded joints
IES-33.
In a fillet welded joint, the weakest area of the weld is [IES-2002]
(a) Toe
(b) root
(c) throat
(d) face
IES-33. Ans. (c)
IES-34.
A single parallel fillet weld of total length L and weld size h subjected to a
tensile load P, will have what design stress?
[IES 2007]
(a) Tensile and equal to
P
0.707Lh
(b) Tensile and equal to
P
Lh
(c) Shear and equal to
P
0.707Lh
(d) Shear and equal to
P
Lh
IES-34. Ans. (c)
1
h
Throat, t = h cos45
0
=
v
= 0.707h
2
T =
P
Lt
=
P
0.707Lh
IES-35. Two metal plates
of thickness ’t’
and width 'w' are
joined by a fillet
weld of 45° as
shown in given
figure.
[IES-1998]
When subjected to a pulling force 'F', the stress induced in the weld will be
(a)
F
o
wt
(c)
F sin 45
o
wt
wt sin 45
(b)
F
wt
(d)
2F
IES-35. Ans. (a)
IES-36. A butt welded joint, subjected to
tensile force P is shown in the
given figure, l = length of the
weld (in mm) h = throat of the
butt weld (in mm) and H is the
total height of weld including
reinforcement. The average
tensile stress σ
t
, in the weld is
given by
[IES-1997]
P
P
P
2P
( )
t
( )
t
( )
t
( )
t
a
b
c
d
σ =
σ =
σ =
σ =
Hl
hl
2hl
Hl
IES-36. Ans. (b)
IES-37. In the welded joint shown in the given
figure, if the weld at B has thicker fillets
than that at A, then the load carrying
capacity P, of the joint will
(a) increase
(b) decrease
(c) remain unaffected
(d) exactly get doubled
[IES-1997]
IES-37. Ans. (c)
IES-38.
A double fillet welded joint with parallel fillet weld of length L and leg B is
subjected to a tensile force P. Assuming uniform stress distribution, the
shear stress in the weld is given by
[IES-1996]
(a)
2P
B.L
(b)
P
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