Strength Of Materials In Me — Part 2 MCQs with Explanations

Normal stresses on planes at 45° is the correct answer to “The extremities of any diameter on Mohr's circle represent”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Double is the correct answer to “A coil is cut into two halves, the stiffness of cut coil will be”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Top layer is the correct answer to “When a rectangular beam is loaded transversely, the maximum tensile stress is developed on the”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Least radius of gyration is the correct answer to “Compression members always tend to buckle in the direction of the”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Minimum moment of inertia is the correct answer to “A vertical column has two moments of inertia (i.e. Ixx and Iyy ). The column will tend to buckle in the direction of the”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Torque required to produce a twist of one radian per unit length of shaft is the correct answer to “The torsional rigidity of a shaft is expressed by the”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Resilience is the correct answer to “The capacity of a strained body for doing work on the removal of the straining force, is called”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Elastic limit is the correct answer to “Hook's law holds good up to”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Slope of the beam at the support is zero is the correct answer to “A non yielding support implies that the”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

An isosceles triangle is the correct answer to “The bending moment diagram for a simply supported beam loaded in its center is”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Any one of these is the correct answer to “The unit of stress in S.I. units is”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Decrease is the correct answer to “If the section modulus of a beam is increased, the bending stress in the beam will”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

All of these is the correct answer to “The thermal or temperature stress is a function of”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Bending moment changes sign is the correct answer to “The point of contraflexure is a point where”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Steel is the correct answer to “Which of the following materials is most elastic”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Strain is the correct answer to “The deformation per unit length is called”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Directly proportional to strain is the correct answer to “Within elastic limit, stress is”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

$$\frac{{{\sigma _{\text{x}}}}}{2} + \frac{1}{2} \times \sqrt {\sigma _{\text{x}}^2 + 4\tau _{{\text{xy}}}^2} $$ is the correct answer to “When a body is subjected to a direct tensile stress $$\left( {{\sigma _{\text{x}}}} \right)$$ in one plane accompanied by a simple shear stress $$\left( {{\tau _{{\text{xy}}}}} \right),$$ the maximum normal stress is”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

$$\frac{{{\sigma _{\text{x}}}}}{2} - \frac{1}{2} \times \sqrt {\sigma _{\text{x}}^2 + 4\tau _{{\text{xy}}}^2} $$ is the correct answer to “When a body is subjected to a direct tensile stress $$\left( {{\sigma _{\text{x}}}} \right)$$ in one plane accompanied by a simple shear stress $$\left( {{\tau _{{\text{xy}}}}} \right),$$ the minimum normal stress is”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

$$\frac{{{\sigma _{\text{x}}} + {\sigma _{\text{y}}}}}{2} + \frac{1}{2}\sqrt {{{\left( {{\sigma _{\text{x}}} - {\sigma _{\text{y}}}} \right)}^2} + 4\tau _{{\text{xy}}}^2} $$ is the correct answer to “When a body is subjected to biaxial stress i.e. direct stresses $$\left( {{\sigma _{\text{x}}}} \right)$$ and $$\left( {{\sigma _{\text{y}}}} \right)$$ in two mutually perpendicular planes accompanied by a simple shear stress $$\left( {{\tau _{{\text{xy}}}}} \right),$$ then maximum normal stress is”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

$$\frac{{{\sigma _{\text{x}}} + {\sigma _{\text{y}}}}}{2} - \frac{1}{2}\sqrt {{{\left( {{\sigma _{\text{x}}} - {\sigma _{\text{y}}}} \right)}^2} + 4\tau _{{\text{xy}}}^2} $$ is the correct answer to “When a body is subjected to biaxial stress i.e. direct stresses $$\left( {{\sigma _{\text{x}}}} \right)$$ and $$\left( {{\sigma _{\text{y}}}} \right)$$ in two mutually perpendicular planes accompanied by a simple shear stress $$\left( {{\tau _{{\text{xy}}}}} \right),$$ then minimum normal stress is”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

One-half is the correct answer to “The maximum shear stress is __________ the algebraic difference of maximum and minimum normal stresses.”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Maximum at the inner surface and minimum at the outer surface is the correct answer to “In a thick cylindrical shell subjected to an internal pressure (p), the tangential stress across the thickness of a cylinder is”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Does not exist is the correct answer to “In a simply supported beam carrying a uniformly distributed load w per unit length, the point of contraflexure”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Less than half is the correct answer to “The shear modulus of most materials with respect to the modulus of elasticity is”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

$$\frac{{{\sigma ^2}{\text{V}}}}{{2{\text{E}}}}$$ is the correct answer to “The strain energy stored in a body, when the load is gradually applied, is (where $$\sigma $$ = Stress in the material of the body, V = Volume of the body and E = Modulus of elasticity of the material)”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Margin is the correct answer to “The distance between the center of a rivet hole to the nearest edge of plate, is called”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Malleability is the correct answer to “The property of a material by virtue of which it can be beaten or rolled into plates is called”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Proportional limit, elastic limit, yielding, failure is the correct answer to “Which of the following is a proper sequence”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Diamond riveting is the correct answer to “If the rivets in adjacent rows are staggered and the outermost row has only one rivets, the arrangement of the rivets is called”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Chain riveted joint is the correct answer to “A riveted joint in which every rivet of a row is opposite to other rivet of the outer row, is known as”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Torsion is the correct answer to “When a closely-coiled helical spring is subjected to an axial load, it is said to be under”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Stress, pressure and modulus of rigidity is the correct answer to “The unit of modulus of elasticity is same as those of”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Inversely proportional to is the correct answer to “The bending stress in a beam is _________ section modulus.”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Bottom fibre is the correct answer to “When a cantilever beam is loaded at its free end, the maximum compressive stress shall develop at”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Increases without any increase in load is the correct answer to “After reaching the yielding stage while testing a mild steel specimen, strain”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Spring stiffness is the correct answer to “The load required to produce a unit deflection in a spring is called”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

$$\frac{{8{\text{W}}{{\text{D}}^3}{\text{n}}}}{{{\text{C}}{{\text{d}}^4}}}$$ is the correct answer to “When a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the deflection of the spring ($$\delta $$) is given by (where d = Diameter of spring wire, n = No. of turns of the spring and C = Modulus of rigidity for the spring material)”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

0.25 to 0.33 is the correct answer to “The value of Poisson's ratio for steel is between”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.

Modulus of Elasticity is the correct answer to “The intensity of stress which causes unit strain is called”. This question is standard in competitive examination syllabi for Strength Of Materials In Me.