Q321
Open questionIn the below figure, Hook's law holds good, for the portion from_________.
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Mechanical Engineering · all questionsStrength Of Materials
Strength Of Materials
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445
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Q322
Open questionIn a simple bending theory, one of the assumptions is that the material of the beam is isotropic. This assumption means that the
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Q323
Open questionA boiler shell 200 cm diameter and plate thickness 1.5 cm is subjected to internal pressure of 1.5 MN/m2, then the hoop stress will be
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Q324
Open questionA bar of copper and steel form a composite system, which is heated to a temperature of 40°C. The stress induced in the copper bar will be
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Q325
Open questionThe relation between equivalent length (L) and actual length () of a column for both ends fixed is
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Q326
Open questionThe section modulus of a circular section about an axis through its C.G., is
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Q327
Open questionThe section modulus of a rectangular section about an axis through its C.G., is
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Q328
Open questionThe unit of Young's modulus is
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Q329
Open questionA shaft revolving at rad/s transmits torque (T) in Nm. The power developed is
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Q330
Open questionIn order to avoid sliding of masonry dam, the force of friction between the dam and soil should be at least __________ the total water pressure per meter length.
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Q331
Open questionThe 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
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Q332
Open questionThe stress induced in a body, when suddenly loaded, is _________ the stress induced when the same load is applied gradually.
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Q333
Open questionThe strain energy stored in a body, when suddenly loaded, is __________ the strain energy stored when same load is applied gradually.
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Q334
Open questionIn the above question, the ratio of stiffness of spring 'B' to spring 'A' will be
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Q335
Open questionTwo closely-coiled helical springs 'A' and 'B' of the same material, same number of turns and made from same wire are subjected to an axial load W. The mean diameter of spring 'A' is double the mean diameter of spring 'B'. The ratio of deflections in spring 'B' to spring 'A' will be
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Q336
Open questionWhen a closely-coiled helical spring of mean diameter (D) is subjected to an axial load (W), the stiffness of the spring is given by
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Q337
Open questionThe polar moment of inertia of a hollow shaft of outer diameter (D) and inner diameter (d) is
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Q338
Open questionThe torque transmitted by a hollow shaft of outer diameter (D) and inner diameter (d) is
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Q339
Open questionThe polar modulus for a hollow shaft of outer diameter (D) and inner diameter (d) is
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Q340
Open questionA steel bar 2 m long, 20 mm wide and 10 mm thick is subjected to a pull of 2 kN. If the same bar is subjected to a push of 2 kN, the Poisson’s ratio of the bar in tension will be __________ the Poisson's ratio for the bar in compression.
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