Machine Design When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt) 0.75 d d 1.25 d 0.5 d 0.75 d d 1.25 d 0.5 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design An Involute pinion and gear are in mesh. If both have the same size of addendum, then there will be interference between the Tip of both gear and pinion Tip of the gear and flank of pinion Flanks of both gear and pinion Tip of the pinion and flank of gear Tip of both gear and pinion Tip of the gear and flank of pinion Flanks of both gear and pinion Tip of the pinion and flank of gear ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to obtain bolt of uniform strength Increase shank diameter Tighten die bolt properly Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Increase its length Increase shank diameter Tighten die bolt properly Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Increase its length ANSWER DOWNLOAD EXAMIANS APP
Machine Design Crushing resistance required to crush the rivet per pitch length is n.d.t.σc p.t.σc (p - d) t.σc p.d.σc n.d.t.σc p.t.σc (p - d) t.σc p.d.σc ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the bolt is very yielding as compared to the connected members, then the resultant load on the bolt will be equal to the Initial tension or external load, whichever is greater External load applied Sum of the initial tension and external load applied Initial tension Initial tension or external load, whichever is greater External load applied Sum of the initial tension and external load applied Initial tension ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum efficiency of a square threaded screw is (1 - sinφ)/ (1 + sinφ) (1 + cosφ)/ (1 - sinφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 - sinφ)/ (1 + sinφ) (1 + cosφ)/ (1 - sinφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) ANSWER DOWNLOAD EXAMIANS APP
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