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) π/4 × d².τu t.τu πd.t.τu π/4 × d² × tτu π/4 × d².τu t.τu πd.t.τu π/4 × d² × tτu ANSWER DOWNLOAD EXAMIANS APP
Machine Design The draw of cotter need not exceed 10 mm 5 mm 20 mm 3 mm 10 mm 5 mm 20 mm 3 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design The endurance limit of a material with finished surface in comparison to rough surface is More or less depending on quantum of load Less Same More More or less depending on quantum of load Less Same More ANSWER DOWNLOAD EXAMIANS APP
Machine Design Basic hole is one Whose upper deviation is zero Whose lower deviation is zero Whose lower as well as upper deviations are zero Does not exist Whose upper deviation is zero Whose lower deviation is zero Whose lower as well as upper deviations are zero Does not exist ANSWER DOWNLOAD EXAMIANS APP
Machine Design Rivets are generally specified by Thickness of plates to be riveted Nominal diameter Diameter of head Length of rivet Thickness of plates to be riveted Nominal diameter Diameter of head Length of rivet ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft) 2d + 20 mm 3.5 d 2d + 13 mm d + 17 mm 2d + 20 mm 3.5 d 2d + 13 mm d + 17 mm ANSWER DOWNLOAD EXAMIANS APP