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Mechanical Engineering Workshop Technology Difficulty: Medium

For arc welding

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The pull required to tear off the plate per pitch length is (where p = Pitch of rivets, t = Thickness of plates and $${\sigma _{\text{t}}},\,\tau $$ and $${\sigma _{\text{c}}}$$ = Permissible tensile, shearing and crushing stresses respectively) Clutch facings are usually attached to the plate by In a screw jack, the effort required to lift the load is given by (where W = Load lifted, α = Helix angle, and φ = Angle of friction.) The routing function in a production system design is concerned with In a journal bearing, the load on the bearing is __________ to the axis of the journal.