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 A tap bolt Has pointed threads Has both the ends threaded 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 Has pointed threads Has both the ends threaded 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A locking device extensively used in automobile industry is a Sawn nut Castle nut Ring nut Jam nut Sawn nut Castle nut Ring nut Jam nut ANSWER DOWNLOAD EXAMIANS APP
Machine Design A riveted joint is a __________ fastening. None of these Either A or B Temporary Permanent None of these Either A or B Temporary Permanent ANSWER DOWNLOAD EXAMIANS APP
Machine Design Multiple threads are used to secure High efficiency High load lifting capacity Low efficiency High mechanical advantage High efficiency High load lifting capacity Low efficiency High mechanical advantage ANSWER DOWNLOAD EXAMIANS APP
Machine Design In most machine members, the damping capacity of the material should be Low Zero Could be anything High Low Zero Could be anything High ANSWER DOWNLOAD EXAMIANS APP
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