Mechanical Engineering :: Machine Design
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In an ordinary bolt, the effect of the impulsive loads applied axially is concentrated on the cross-sectional area at the root of the threads.
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The radial distance of a tooth from the pitch circle to the top of the tooth is called
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In a gear, having involute teeth, the normal to the involute is a tangent to the
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Which of the following statement is correct ?
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A.
The toughness of a material increases when it is heated. |
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B.
The shear stress in a beam varies from zero at the neutral surface and maximum at the outer fibres. |
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C.
The stress concentration in static loading is more serious in brittle materials and less serious in ductile materials. |
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D.
The stress concentration in static loading is more serious in ductile materials and less serious in brittle materials. |