Machine Design The railway carriage couplings have Buttress threads Square threads Knuckle threads Acme threads Buttress threads Square threads Knuckle threads Acme threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The pitch of threads on a Jock nut in comparison to pitch of nut is Very fine Coarser Same Finer Very fine Coarser Same Finer 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 pinion and flank of gear Flanks of both gear and pinion Tip of the gear and flank of pinion Tip of both gear and pinion Tip of the pinion and flank of gear Flanks of both gear and pinion Tip of the gear and flank of pinion Tip of both gear and pinion ANSWER DOWNLOAD EXAMIANS APP
Machine Design A feather key is generally Tight in both shaft and hub Loose in shaft and tight in hub Tight in shaft and loose in hub Loose in both shaft and hub Tight in both shaft and hub Loose in shaft and tight in hub Tight in shaft and loose in hub Loose in both shaft and hub ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils) Gd⁴/ 8D²n Gd⁴/ 8D3n Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D²n Gd⁴/ 8D3n Gd⁴/ 4D3n Gd3/ 8D3n ANSWER DOWNLOAD EXAMIANS APP
Machine Design If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by N/Zp Z/pN p/ZN ZN/p N/Zp Z/pN p/ZN ZN/p ANSWER DOWNLOAD EXAMIANS APP