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Mechanical Engineering · all questions

Machine Design
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The maximum shear stress theory is used for

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The maximum normal stress theory is used for

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Rankine's theory is used for

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Guest's theory is used for

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In a turnbuckle, if one of the rods has left hand threads, then the other rod will have

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The gears are termed as medium velocity gears, if their peripheral velocity is

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For hardening alloy steels and high speed steels, they are heated to

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In order to avoid tearing of the plate at edge, the distance from the center line of the rivet hole to the nearest edge of the plate in terms of dia. of rivet d should be equal to

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If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to

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The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be

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The largest diameter of an external or internal screw thread is known as

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The smallest diameter of an external or internal screw thread is known as

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When a hole of diameter ‘d’ is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where = Ultimate shear strength of the material of the plate)

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The algebraic difference between the maximum limit and the basic size is called

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Which of the following spring is used in mechanical wrist watch?

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The elasticity is the property of a material which enables it to

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The plasticity is the property of a material which enables it to

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Taper usually provided on cotter is

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The included angle between the sides of V-belt is

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The width of the pulley should be __________ width of the belt.

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