Machine Design For tight leakage joints, following type of thread is best suited NPT (national pipe threads). Buttress Metric Square NPT (national pipe threads). Buttress Metric Square ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two helical springs of equal lengths are arranged to form a cluster spring, then Only A is correct Shear stress in each spring will be equal Both A and B is correct Load taken by each spring will be half the total load Only A is correct Shear stress in each spring will be equal Both A and B is correct Load taken by each spring will be half the total load ANSWER DOWNLOAD EXAMIANS APP
Machine Design The application of third type levers is found in Lever of a loaded safety valve Handle of a hand pump Hand wheel of a punching press A pair of tongs Lever of a loaded safety valve Handle of a hand pump Hand wheel of a punching press A pair of tongs ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rocker arms in internal combustion engines are of__________. Second type levers First type levers Third type levers None of these Second type levers First type levers Third type levers None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a hole of diameter ‘d’ is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where τu = Ultimate shear strength of the material of the plate) t.τu π/4 × d².τu πd.t.τu π/4 × d² × tτu t.τu π/4 × d².τu πd.t.τu π/4 × d² × tτu 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 the gear and flank of pinion Tip of both gear and pinion Flanks of both gear and pinion Tip of the pinion and flank of gear Tip of the gear and flank of pinion Tip of both gear and pinion Flanks of both gear and pinion Tip of the pinion and flank of gear ANSWER DOWNLOAD EXAMIANS APP
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