Machine Design The anti-friction bearings Have low starting and low running friction at moderate speeds All of these Have high initial cost Can carry both radial and thrust loads Have low starting and low running friction at moderate speeds All of these Have high initial cost Can carry both radial and thrust loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rolling contact bearings as compared to sliding contact bearings have All of these Low starting and low running friction except at very high speeds Accuracy of shaft alignment Small overall dimensions All of these Low starting and low running friction except at very high speeds Accuracy of shaft alignment Small overall dimensions ANSWER DOWNLOAD EXAMIANS APP
Machine Design Resistance to fatigue of a material is measured by Young's modulus Endurance limit Coefficient of elasticity Elastic limit Young's modulus Endurance limit Coefficient of elasticity Elastic limit 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) π/4 × d².τu πd.t.τu t.τu π/4 × d² × tτu π/4 × d².τu πd.t.τu t.τu π/4 × d² × tτu ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to 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 Increase the power transmission capacity Prevent the belt from running off the pulley ANSWER DOWNLOAD EXAMIANS APP
Machine Design A backing ring is used inside the pipe joint when making a Sleeve weld Fillet weld Socket weld Butt weld Sleeve weld Fillet weld Socket weld Butt weld ANSWER DOWNLOAD EXAMIANS APP
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