MCQs of Limit state design of Steel components (Design of Structures - 3150612)

Design of Structures (3150612) MCQs

MCQs of Limit state design of Steel components

Showing 41 to 50 out of 129 Questions

41.

The maximum size of fillet weld is obtained by _______

(a)	Adding 1.5 mm to thickness of thinner member to be jointed
(b)	Adding 3 mm to thickness of thinner member to be jointed
(c)	Subtracting 3 mm from thickness of thinner member to be jointed
(d)	Subtracting 1.5 mm from thickness of thinner member to be jointed

42.

Effective length of fillet weld is _______

(a)	Equal to overall length plus twice the weld size
(b)	Twice the overall length plus twice the weld size
(c)	Equal to overall length minus twice the weld size
(d)	Twice the overall length minus twice the weld size

43.

End returns are made ________

(a)	Equal to twice the size of weld
(b)	Equal to half the size of weld
(c)	Equal to the size of weld
(d)	Equal to thrice the size of weld

44.

Which of the following is not true regarding effective throat thickness of weld?

(a)	Effective throat thickness should not be less than 3 mm
(b)	It should not exceed 0.7 t or 1 t, where t is thickness of thinner plate of elements being welded
(c)	Effective throat thickness = K x size of weld, where K is a constant
(d)	Effective throat thickness = (size of weld)

45.

The effective throat thickness is K times the size of weld. What is the value of K when angle between fusion faces is 80˚?

(a)	0.5
(b)	0.7
(c)	0.65
(d)	1.0

46.

The design nominal strength of fillet weld is given by ____________

(a)	$f_{u}$
(b)	$\sqrt{3 f_{u}}$
(c)	$\frac{f_{u}}{\sqrt{3}}$
(d)	$\frac{f_{u}}{(1.25 X \sqrt{3})}$

47.

When welds are subjected to compression or tensile or shear force alone, the stress in weld is given by :

(a)	$\frac{P}{t_{t}} l_{w}$
(b)	$\frac{{Pt}_{t}}{l_{w}}$
(c)	$\frac{{Pl}_{w}_{t}}{t_{t}}$
(d)	${Pt}_{t} l_{w}$

48.

Two plates of 12 mm and 16 mm thickness are to be joined by groove weld. The joint is subjected to factored tensile load of 400 kN. Due to some reasons the effective length of weld that could be provided was 150 mm only. What is the safety of joint if single-V groove weld is provided?

(a)	Safe
(b)	Unsafe
(c)	Unsafe, but adequate
(d)	Safe, but adequate

49.

What is the effective throat thickness dimension of 10 mm fillet weld made by shielded metal arc welding ?

(a)	7 mm
(b)	10 mm
(c)	12 mm
(d)	8 mm

50.

What is the strength of weld per mm length used to connect two plates of 10 mm thickness using a lap joint. Consider size of weld is 6 mm

(a)	795.36 N/mm
(b)	295.5 N/mm
(c)	552.6 N/mm
(d)	487.93 N/mm

Showing 41 to 50 out of 129 Questions