085/2023

Maximum : 100 marks

Time : 1 hour and 30 minutes

1. The number of independent equations to be satisfied for static equilibrium in a space
structure is:
(A) 3 (B) 4
(0 2 त) 6
2. The moment of inertia of a triangle of base b and height ൩ about an axis through its centroid

is bh®/36. The moment of inertia about a parallel axis passing through the vertex of the
triangle is:

(A) 9 (B) 73

(0 ۵4۸ (0) 813/12

83. ൧ ೦7೮7೩] 5780017 01 101068 ೩೦೧೧ 0೦೫ ೩ 31616 )06]7 ೧೩೫ ಅ 76018066 ४७५ :
(^) Force vector and couple moment vector at a point
(B) Single force vector
(C) Single couple moment vector
(D) Null vector

4. Concurrent forces are those forces whose line of action :
(^) Meet at a point (B) Meet at a same plane
(C) Are parallel to each other (D) None of the above
5. The polar moment of inertia of rectangular section having width 2cm and depth 6cm is :
(^) 30cm! ൯) 5004
(C) 40cm! ൯൩) None

6. Accable 20mm diameter and 10 m long is pulled by a force of 5000 z N. If the modulus of
elasticity is 2x10° N/mm?, the elongation is :
(A) 2mm ൯) 25mm
(0) 5mm ൯൩) 55mm

7. 18 the modulus of elasticity is twice that of shear modulus, then the Poisson’s ratio of the
material is :

(A) 0 (B) 0.2
(C) 0.4 (D) 05

[P.T.0.]