Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to Increase the belt velocity Increase the power transmission capacity Prevent the belt joint from damaging the belt surface Prevent the belt from running off the pulley Increase the belt velocity Increase the power transmission capacity Prevent the belt joint from damaging the belt surface Prevent the belt from running off the pulley ANSWER DOWNLOAD EXAMIANS APP
Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 45° 67.5° 90° 22.5° 45° 67.5° 90° 22.5° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The power transmitted by belt drive depends upon Initial belt tension Belt velocity Arc of contact All of these Initial belt tension Belt velocity Arc of contact All of these 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 π/4 × d² × tτu t.τu π/4 × d².τu πd.t.τu π/4 × d² × tτu t.τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design The effective stress in wire ropes during normal working is equal to the stress due to Axial load plus stress due to bending Axial load plus stress due to acceleration/retardation Bending plus stress due to acceleration/retardation Acceleration/retardation of masses plus stress due to bending Axial load plus stress due to bending Axial load plus stress due to acceleration/retardation Bending plus stress due to acceleration/retardation Acceleration/retardation of masses plus stress due to bending ANSWER DOWNLOAD EXAMIANS APP
Machine Design A connecting rod is designed as a All of these Long column Short column Strut All of these Long column Short column Strut ANSWER DOWNLOAD EXAMIANS APP
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