Machine Design The helix angle for double helical gears may be made up to 60° 45° 90° 75° 60° 45° 90° 75° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity of sliding __________ the distance of the point of contact from the pitch point. Is equal to cos φ multiplied by Is directly proportional to Does not depend upon Is inversely proportional to Is equal to cos φ multiplied by Is directly proportional to Does not depend upon Is inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to Increase the power transmission capacity Prevent the belt from running off the pulley Prevent the belt joint from damaging the belt surface Increase the belt velocity Increase the power transmission capacity Prevent the belt from running off the pulley Prevent the belt joint from damaging the belt surface Increase the belt velocity 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) πd.t.τu π/4 × d² × tτu t.τu π/4 × d².τu πd.t.τu π/4 × d² × tτu t.τu π/4 × d².τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to Reduce slip Ensure proper alignment Reduce vibration Ensure uniform loading Reduce slip Ensure proper alignment Reduce vibration Ensure uniform loading ANSWER DOWNLOAD EXAMIANS APP
Machine Design A single strap butt joint is always in __________ shear. None of these Double Triple share Single None of these Double Triple share Single ANSWER DOWNLOAD EXAMIANS APP