162/2023

Maximum : 100 marks

Time : 1 hour and 30 minutes

1. For a given shear force across a symmetrical I-section, the intensity of shear is maximum at :
(A) extreme fibres
൯) centroid of the section
(C) at the junction of flange and web on the web
(D) at the junction of flange and the web but on the flange

2. The maximum stress to which any member is designed is much less than the ultimate stress
is:
(A) proof stress (B) design stress
(C) working stress (D) yield stress
8. The percentage error in calculating the extension of a bar uniformly tapering from a

diameter (d+x) to (d—x) ina length ‘I’ is calculated by treating it as a bar of uniform cross
section of average diameter d is:

(A) 100 क / 2 (B) 100 > / दः
(൭ 100 (कः - > )/ तः (D) 100 दः /(कः ಬಿ)

4. | Which of the following is true with respect to point of contraflexure?
(A) Point of contraflexure occurs for a simply supported beam carrying point loads

(B) Point of contraflexure occurs when shear force changes its sign within the span
length

(C) Point of contraflexure occurs for overhanging beam subjected to uniformly
distributed load

(D) Point of contraflexure occurs at the maximum bending moment

5. The maximum shear stress in a beam of square section 10 cm side, bending about its
diagonal subjected to shear force of 100 N is:
(^) 1.125 N/em? ൯) 1.25 N/em?
(C) 1.33 N/em? (D) 1.50 N/em?
A 3

[P.T.0.]