Welcome to your Strength of Materials Mock test - 4
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1) A member which does not regain its original shape after removed of load producing deformation is said
2) The maximum stress intensity due to a suddenly applied load is x-times the stress intensity produced by the load of the same magnitude applied gradually. The value of x is
3) The point of contraflexture occurs in
4) Along the neutral axis of a simply supported beam
5) At either end of a plane frame, maximum number of possible bending moments, are
6) Rankine-Golden formula accounts for direct as well as buckling stress and is applicable to
7) The ratio of the tensile stress developed in the wall of a boiler in the circumferential direction to the tensile stress in the axial direction, is
8) A member which is subjected to reversible tensile or compressive stress may fail at a stress lower than the ultimate stress of the material. This property of metal, is called
9) The stress at which extension of a material takes place more quickly as compared to the increase in load, is called
10) The tension coefficient of any member is
11) A steel rod of 2 cm diameter and 5 metres long is subjected to an axial pull of 3000 kg. If E = 2.1 x 106, the elongation of the rod will be
12) In a three hinged arch, the bending moment will be zero
13) In a shaft rotated by a couple, the shear force varies
14) In a square beam loaded longitudinally, shear develops
15) When a rectangular beam is loaded longitudinally, shear develops on
16) A diagram which shows the variations of the axial load for all sections of the span of a beam, is called
17) During a tensile test on a ductile material
18) A joint of a frame is subjected to three tensile force P, Q and R equally inclined to each other. If P is 10 tonnes, the other forces will be
19) The moment diagram for a cantilever carrying a concentrated load at its free end, will be
20) If the stress in each cross-section of a pillar is equal to its working stress, it is called
21) In a simply supported beam (l + 2a) with equal overhangs (a) and carrying a uniformly distributed load over its entire length, B.M. at the middle point of the beam will be zero if
22) If the width b and depth d of a beam simply supported with a central load are interchanged, the deflection at the centre of the beam will be changed in the ratio of
23) Along the principal plan subjected to maximum principal stress
24) The stress in the wall of a cylinder in a direction normal to its longitudinal axis, due to a force acting along the circumference, is known as
25) The shape of the bending moment diagram over the length of a beam, carrying a uniformly increasing load, is always
26) In a shaft shear stress intensity at a point is not