Machine Design - Mechanical Engineering Questions and Answers

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The pipe joint mostly used for pipes carrying water at low pressures is

socket joint

nipple joint

union joint

spigot and socket joint

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According to Guest's theory, the failure occurs at a point in a member when the maximum shear stress in a bi-axial stress system reaches the shear stress at elastic limit in simple tension test.

True

False

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For maximum power, the velocity of the belt will be

$\sqrt{\frac{T}{m}}$

$\sqrt{\frac{T}{2 m}}$

$\sqrt{\frac{T}{ 3 m}}$

none of these

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Surface endurance limit of gear material is dependent upon its

elastic strength

yield strength

brinell hardness number

toughness