Online Mechanical Engineering Test - Strength of Materials Test 2
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- Total number of questions: 20.
- Time allotted: 30 minutes.
- Each question carries 1 mark; there are no negative marks.
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Marks : 2/20
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Test Review : View answers and explanation for this test.
Strain energy is the
Resilience is the
The stress induced in a body, when suddenly loaded, is __________ the stress induced when the same load is applied gradually.
When a rectangular beam is loaded transversely, the maximum compressive stress is developed on the
If the tearing efficiency of a riveted joint is 50%, then ratio of rivet hole diameter to the pitch of rivets is
The stress at which the extension of the material takes place more quickly as compared to the increase in load, is called
The given figure shows the Mohr's circle of stress for two unequal and like principal stresses (σx and σy) acting at a body across two mutually perpendicular planes. The normal stress on an oblique section making an angle θ with the minor principle plane is given by
The bending moment in the centre of a simply supported beam carrying a uniformly distributed load of w per unit length is
When a closely-coiled helical spring is subjected to an axial load, it is said to be under
The unit of modulus of elasticity is same as those of
The horizontal thrust offered by the retaining wall on the retained material is (where w = Specific weight of the retained material, h = height of retaining wall, and (φ) = Angle of repose of the retained earth)
The bending moment at a section tends to bend or deflect the beam and the internal stresses resist its bending. The resistance offered by the internal stresses, to the bending, is called
Poisson's ratio is the ratio of linear stein to the volumetric strain.
The bending moment at the free end of a cantilever beam is
The lower layer of the beam as shown in the below figure, will be
For the two shafts connected in parallel and subjected to twisting moment, the angle of twist of each shaft will be same.
If percentage elongation of a certain specimen made of a material 'A' under tensile test is 30% and the percentage elongation of a specimen with same dimensions made of another material 'B' is 40%, then material 'B' is more ductile than material 'A'.
The length of a conical bar is l, diameter of base is d and weight per unit volume is w. It is fixea at its upper end and hanging freely. The elongation of the bar under the action of its own weight will be
The section modulus of a circular section about an axis through its C.G., is
The Rankine's constant for a mild steel column with both ends hinged is
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