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Q: The minimum distance between the centers of any two adjacent rivets shall not exceed
  • A. 200 mm
  • B. 250 mm
  • C. 300 mm
  • D. 600 mm
Correct Answer: Option C - As per IS 800 : 2007 Clause 10.2.2, minimum pitch of rivet is 2.5 × nominal dia of rivet. Maximum pitch (Clause 10.2.3)– The distance between centers of any two adjacent rivet should not exceed 32t or 300 mm, whichever is less. In compression– Maximum pitch = Min (12t or 200 mm) where t is thickness for thinner plate. In tension– Maximum pitch = Min (16t or 200 mm) where t is thickness for thinner plate. Note– In the rivets are staggered (not in the same line) and of the gauge distance small than 75 mm then above recommended values in compression and tension zone for maximum pitch are increased by 50%. • For compression – Maximum pitch = 18 t or 300 mm • For tension – Maximum pitch = 24 t or 300 mm.
C. As per IS 800 : 2007 Clause 10.2.2, minimum pitch of rivet is 2.5 × nominal dia of rivet. Maximum pitch (Clause 10.2.3)– The distance between centers of any two adjacent rivet should not exceed 32t or 300 mm, whichever is less. In compression– Maximum pitch = Min (12t or 200 mm) where t is thickness for thinner plate. In tension– Maximum pitch = Min (16t or 200 mm) where t is thickness for thinner plate. Note– In the rivets are staggered (not in the same line) and of the gauge distance small than 75 mm then above recommended values in compression and tension zone for maximum pitch are increased by 50%. • For compression – Maximum pitch = 18 t or 300 mm • For tension – Maximum pitch = 24 t or 300 mm.

Explanations:

As per IS 800 : 2007 Clause 10.2.2, minimum pitch of rivet is 2.5 × nominal dia of rivet. Maximum pitch (Clause 10.2.3)– The distance between centers of any two adjacent rivet should not exceed 32t or 300 mm, whichever is less. In compression– Maximum pitch = Min (12t or 200 mm) where t is thickness for thinner plate. In tension– Maximum pitch = Min (16t or 200 mm) where t is thickness for thinner plate. Note– In the rivets are staggered (not in the same line) and of the gauge distance small than 75 mm then above recommended values in compression and tension zone for maximum pitch are increased by 50%. • For compression – Maximum pitch = 18 t or 300 mm • For tension – Maximum pitch = 24 t or 300 mm.