Strength Of Materials

This is an MCQ-based quiz on Strength Of Materials.

This includes resultant couple, moment of the forces, post friction, and limiting friction.

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Two solid shafts "A" and "B" are made of the same material. The shaft "A" is of 50 mm diameter and shaft "B" is of 100 mm diameter. The strength of shaft "B" is _________ as that of shaft A.

One-half Double Four times Eight times

For no tension condition in the base of a short column of circular section, the line of action of the load should be within a circle of diameter equal to __________ of the main circle.

One-half One-third One-fourth One-eighth

The volumetric strain is the ratio of the

Original thickness to the change in thickness Change in thickness to the original thickness Original volume to the change in volume Change in volume to the original volume

The elongation of a conical bar under its own weight is __________ that of prismatic bar of the same length.

Equal to Half One-third Two-third

The extension of a circular bar tapering uniformly from diameter d₁ at one end to diameter d₂ at the other end, and subjected to an axial pull of P is _________ the extension of a circular bar of diameter d₁ d₂ subjected to the same load P.

Equal to Less than Greater than None of these

The buckling load for a given column depends upon

Area of cross-section of the column Length and least radius of gyration of the column Modulus of elasticity for the material of the column All of the above

A load which is spread over a beam in such a manner that it varies uniformly over the whole length of abeam is called uniformly ________ load.

Distributed Varying Both A and B None of these

A continuous beam is one which is

Fixed at both ends Fixed at one end and free at the other end Supported on more than two supports Extending beyond the supports

A cantilever beam is one which is

Fixed at both ends Fixed at one end and free at the other end Supported at its ends Supported on more than two supports

A body is subjected to two normal stresses 20 kN/m² (tensile) and 10 kN/m² (compressive) acting perpendicular to each other. The maximum shear stress is

5 kN/m² 10 kN/m² 15 kN/m² 20 kN/m²

Which of these is the correct way of sign convention for shear force?

R U P L U P R U N L D P

A cantilever beam loaded with udl throughout, the maximum shear force occurs at____

Free end Fixed end At centre At point of contraflexure

A simply supported beam of span 1 m carries a point load “w” in centre determine the shear force in the half left of the beam.

W/3 W/4 W/2 W

The rate of change of shear force is equal to _____

Direction of load Change in BMD Intensity of loading Maximum bending

What is variation in SFD, if the type of loading in the simply supported beam is U.D.L is ____

Rectangle Linear Trapezoidal Parabolic

The factor of safety is the .............