Strength Of Materials Set 11

Mechanical Engineering

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This set of Strength of Materials Multiple Choice Questions & Answers (MCQs) focuses on Strength Of Materials Set 11

Q1 | 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
Q2 | In order to avoid sliding of masonry dam, the force of friction between the dam and soil should be at least
Q3 | In a beam of uniform strength, the bending stress developed is constant and is equal to the allowable stress at every section of the beam.
Q4 | The rectrangular beam 'A' has length l, width b and depth d. Another beam 'B' has the same length and depth but width is double that of 'A'. The elastic strength of beam B will be
Q5 | A rod is enclosed centrally in a tube and the assembly is lightened by rigid washers. If the assembly is subjected to a compressive load, then
Q6 | The shear force in the centre of a simply supported beam carrying a uniformly distributed load of w per unit length, is
Q7 | A beam of triangular section is placed with its base horizontal. The maximum shear stress occurs at
Q8 | The stress developed in the material without any permanent set is called
Q9 | The ductility of a material
Q10 | The rectrangular beam 'A' has length l, width b and depth d. Another beam 'B' has the same length and width but depth is double that of 'A'. The elastic strength of beam B will be
Q11 | A bar of length L metres extends by l mm under a tensile force of P. The strain produced in the bar is
Q12 | In the Euler's formula, the value of C for a column with one end fixed and the other end free, is
Q13 | The maximum stress produced in a bar of tapering section is at
Q14 | In a thin cylindrical shell subjected to an internal pressure p, the ratio of longitudinal stress to the hoop stress is
Q15 | When two shafts of same length, one of which is hollow, transmit equal torques and have equal maximum stress, then they should have equal
Q16 | In a simple bending theory, one of the assumption is that the material of the beam is isotropic. This assumption means that the
Q17 | For the two shafts connected in parallel and sub-jected to twisting moment, the angle of twist of each shaft will be same.
Q18 | A tensile test is performed on a round bar. After fracture it has been found that the diameter remains approximately same at fracture. The material under test was
Q19 | The compressive strength of brittle materials is
Q20 | Two shafts 'A' and 'B' transmit the same power. The speed of shaft 'A' is 250 r.p.m. and that of shaft 'B' is 300 r.p.m. The shaft 'B' has the greater diameter.
Q21 | A welded joint as compared to a riveted joint has
Q22 | The shear force of a cantilever beam of length l carrying a uniformly distributed load of w per unit length is
Q23 | The bending moment at a point on a beam is the algebraic
Q24 | In the Euler's formula, the value of C for a column with one end fixed and the other end hinged, is 1 / 2.
Q25 | The bending moment diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, will be
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