Q161
Open questionStrain is defined as the ratio of
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Mechanical Engineering · all questionsStrength Of Materials
Strength Of Materials
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Q162
Open questionFactor of safety is defined as the ratio of
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Q163
Open questionA fletched beam is used to
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Q164
Open questionA rectangular beam of length supported at its two ends carries a central point load W. The maximum deflection occurs
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Q165
Open questionThe ductility of a material __________ with the increase in percentage reduction in area of a specimen under tensile test.
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Q166
Open questionThe ductility of the material __________ with the decrease in percentage elongation of a specimen under tensile test.
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Q167
Open questionThe total elongation produced in a bar of uniform section hanging vertically downwards due to its own weight is equal to that produced by a weight
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Q168
Open questionIf the modulus of elasticity for a given material is twice its modulus of rigidity, then bulk modulus is equal to
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Q169
Open questionA steel bar of 5 mm is heated from 25°C to 45°C and it is free to expand. The bar will induce
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Q170
Open questionFor a beam, as shown in the below figure, the deflection at C is (where E = Young's modulus for the beam material and = Moment of inertia of the beam section.)
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Q171
Open questionThe assumption, generally, made in the theory of simple bending is that
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Q172
Open questionThe thermal stress in a bar is __________ proportional to the change in temperature.
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Q173
Open questionThe maximum shear stress, in the given figure, is equal to __________ of the Mohr's circle.
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Q174
Open questionPercentage reduction in area performing tensile test on cast iron may be of the order of
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Q175
Open questionThe percentage reduction in area of a cast iron specimen during tensile test would be of the order of
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Q176
Open questionPercentage reduction of area in performing tensile test on cast iron may be of the order of
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Q177
Open questionA thick cylindrical shell having ro and ri as outer and inner radii, is subjected to an internal pressure (p). The maximum tangential stress at the inner surface of the shell is
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Q178
Open questionIn a thick cylindrical shell subjected to an internal pressure (p), the maximum radial stress at the inner surface of the shell is
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Q179
Open questionA thick cylindrical shell having ro and ri as outer and inner radii, is subjected to an internal pressure (p). The maximum tangential stress at the inner surface of the shell is
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Q180
Open questionA column of length () with both ends fixed may be considered as equivalent to a column of length __________ with one end fixed and the other end free.
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