EXAMIANS
The endurance limit of a material with finished surface in comparison to rough surface is
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A leaf spring in automobiles is used
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The piston rod of a steam engine is usually connected to the cross-head by means of
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Which of the following pipe joints would be suitable for pipes carrying steam?
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Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to
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Failure of a material is called fatigue when it fails
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For hardening alloy steels and high speed steels, they are heated to
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The material commonly used for machine tool bodies is
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Creep in belt is due to
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Slenderness ratio is the ratio of
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