Strength of Materials Sheet 6
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1) Question.
A beam of triangular cross section is placed with its base horizontal. The maximum shear stress intensity in the section will be
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2) Question.
A prismatic bar when subjected to pure bending assumes the shape of
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3) Question.
A beam of square cross-section with side 100 mm is place with one diagonal vertical. If the shear force acting on the section is 10 k/N, the maximum shear stress is
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4) Question.
A beam of rectangular cross-section is 100 mm wide and 200 mm deep. If the section is subjected to a shear force of
20 kN, then the maximum shear stress in the section is
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5) Question.
Maximum shear stress in circular cross-section is
where is average shear stress
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6) Question.
A flitched beam consists of a wooden joist 150 mm wide and 300 mm deep strengthened by steel plates 10 mm thick and 300 mm deep one on either side of the joist. If modulus of elasticity of steel is 20 times that of wood, then the width of equivalent wooden section will be
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7) Question.
Of the two prismatic beams of same material, length and flexural strength, one is circular and other is square in crosss-section. The ratio of weights of circular and square beams is
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8) Question.
Of the several prismatic beams of equal lengths, the strongest in flexure is the one having maimum
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9) Question.
The ratio of width to depth of a strongest beam that can be cut out of a cylindrical log of wood is
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10) Question.
A portion of a beam between two sections is said to be in pure bending when there is
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