Machine Design
A bolt

Has head at one end and other end fits into a tapped hole in the other part to be joined
Has a head on one end and a nut fitted to the other
Is provided with pointed threads
Has both the ends threaded

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Machine Design
According to I.B.R., when the thickness of the boiler shell (t) is less than 8 mm, then the diameter of the rivet hole (d) is obtained by

Equating tearing resistance of the plate to the shearing resistance of the rivets
Equating shearing resistance to the crushing resistance of the rivets
None of these
Equating tearing resistance of the plate to the crushing resistance of the rivets

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Machine Design
Turn buckle has

Left hand threads on both ends
No threads
Left hand threads on one end and right hand threads on other end
Right hand threads on bout ends

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Machine Design
According to I.B.R., when the thickness of boiler shell (t) is greater than 8 mm, then the diameter of rivet hole (d) is obtained by

Equating tearing resistance of the plate to the crushing resistance of the rivets
Equating tearing resistance of the plate to the shearing resistance of the rivets
Equating shearing resistance to the crushing resistance of the rivets
None of these

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