Machine Design
A bolt is designed on the basis of __________ with a large factor of safety.

Direct shear stress
Direct compressive stress
Direct tensile stress
Direct bending stress

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Machine Design
The effective stress in wire ropes during normal working is equal to the stress due to

Bending plus stress due to acceleration/retardation
Axial load plus stress due to bending
Axial load plus stress due to acceleration/retardation
Acceleration/retardation of masses plus stress due to bending

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Machine Design
The contact ratio is the ratio of

Length of arc of approach to the circular pitch
Length of arc of contact to the circular pitch
Length of path of contact to the circular pitch
Length of arc of recess to the circular pitch

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