Strength-of-materials Questions Set 14:
At the extreme fibers of a bent beam, the bending stress is
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In a body under plane stress conditions, how many independent stress components are there?
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Which of the given parameters determines the value of thermal strain in a bar?
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What is the property called by which a body regains its original dimensions after the removal of a load?
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The true strain observed for a material under tensile loading is 2. What is the correct value of engineering strain for that material? (Take e = 2.7)
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A steel rod 15 m long is at a temperature of 25 °C. Find the free expansion of the length when the temperature is raised by 90 °C. Find the temperature stress (in MN/m²) produced when the rod is permitted to expand by 7 mm.
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When temperature increases, the stresses developed in copper (Cu) and steel are -
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What is the angle of twist for two shafts connected in parallel and subjected to a twisting moment?
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When is the effective length of a solid circular bar 1/√2 of its actual length while determining the crippling load?
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Consider the following types of columns and their modes of failure:
1. Short Columns - Failure by Buckling
2. Long Columns - Failure by Buckling
3. Intermediate Columns - Failure by both Crushing and Buckling
Which of the following options correctly describes the above statement?
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