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Strength of Material question and answer pdf Download
1. The combined effect of external forces acting on a body is called –
(A) Stress
(B) Strain
(C) Load
(D) None of these
2. The internal resistance which the body offers to meet with the load or external force is called –
(A) Stress
(B) Load
(C) Strain
(D) Pressure
3. Modulus of elasticity is designed as the ratio of
(A) Shear stress to Shear strain
(B) Linear stress to Linear strain
(C) Linear strain to Lateral strain
(D) Lateral strain to Lateral stress
4. The ratio of lateral strain to linear strain is known as
(A) Modulus of elasticity
(B) Modulus of Rigidity
(C) Poission’s ratio
(D) Elastic limit
5. Poission’s Ratio for aluminium is
(A) 0.13
(B) 0.23
(C) 0.33
(D) 0.43
6. The impact strength of a material is an index of its
(A) Hardness
(B) Tensile strength
(C) Toughness
(D) Stiffness
7. The value of Poission’s Ratio depends upon –
(A) Cross section
(B) Magnitude of load
(C) Material of test specimen
(D) Toughness
8. The moment of inertia about a principal axis is called
(A) Mass moment of inertia
(B) Second moment of inertia
(C) Principal moment of inertia
(D) None of these
9. A cantilever is a beam whose
(A) One end is fixed and the other end free
(B) Both ends are fixed
(C) Both ends are simply supported
(D) None of these
10. The product of EI is known as
(A) Flexural Rigidity
(B) Section Modulus
(C) Polar Modulus
(D) Modulus of rupture
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