# Strength of Materials MCQ PART 2- IES, GATE, RRB AND PSC EXAMS

## Strength of Materials MCQ PART 2 Question No. 1
Which of the following do not have identical dimensions?
(A) Momentum and impulse
(B) Torque and energy
(C) Torque and work
(D) Moment of a force and angular momentum

Question No. 2
If a number of forces act simultaneously on a particle, it is possible
(A) Not a replace them by a single force
(B) To replace them by a single force
(C) To replace them by a single force through C.G.
(D) To replace them by a couple

Question No. 3
Two coplanar couples having equal and opposite moments
(A) Balance each other
(B) Produce a couple and an unbalanced force
(C) Are equivalent
(D) Produce a moment of couple

Question No. 4
If a suspended body is struck at the centre of percussion, then the pressure on die axis passing through the point of suspension will be
(A) Maximum
(B) Minimum
(C) Zero
(D) Infinity

Question No. 5
Kinetic friction is the
(A) Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction
(B) Ratio of limiting friction and normal reaction
(C) The friction force acting when the body is just about to move
(D) The friction force acting when the body is in motion

Question No. 6
The center of gravity of a uniform lamina lies at
(A) The center of heavy portion
(B) The bottom surface
(C) The midpoint of its axis
(D) All of the above

Question No. 7
The bending moment at E for the structure shown in below figure, is (A) Zero
(B) 10 Tm
(C) 20 Tm
(D) 40 Tm

Question No. 8
The maximum twisting moment a shaft can resist, is the product of the permissible shear stress and
(A) Moment of inertia
(B) Polar moment of inertia
(C) Polar modulus
(D) Modulus of rigidly

Question No. 9
The deflection of any rectangular beam simply supported, is
(A) Directly proportional to its weight
(B) Inversely proportional to its width
(C) Inversely proportional to the cube of its depth
(D) Directly proportional to the cube of its length

Question No. 10
Pick up the correct statement from the following:
(A) The point through which the resultant of the shear stresses passes is known as shear centre
(B) In the standard rolled channels, the shear centre is on the horizontal line passing through and away from the C.G. beyond web
(C) In equal angles, the shear centre is on the horizontal plane and away from the C.G., outside of the leg projection
(D) All the above

## Strength of materials MCQ Part 2 Answers

Question No 1: D

Question No 2: B

Question No 3: D

Question No 4: C

Question No 5: D

Question No 6: C

Question No 7: A

Question No 8: C

Question No 9: C

Question No 10: D

Read More: Strength of materials MCQ Part 1