Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to Increase the belt velocity Prevent the belt joint from damaging the belt surface Increase the power transmission capacity Prevent the belt from running off the pulley Increase the belt velocity Prevent the belt joint from damaging the belt surface Increase the power transmission capacity Prevent the belt from running off the pulley ANSWER DOWNLOAD EXAMIANS APP
Machine Design The function of a washer is to Provide cushioning effect Provide smooth surface in place of rough surface Provide bearing area Absorb shocks and vibrations Provide cushioning effect Provide smooth surface in place of rough surface Provide bearing area Absorb shocks and vibrations ANSWER DOWNLOAD EXAMIANS APP
Machine Design The elasticity is the property of a material which enables it to Retain deformation produced under load permanently Resists fracture due to high impact loads Regains its original shape after deformation when the external forces are removed Draw into wires by the application of a tensile force Retain deformation produced under load permanently Resists fracture due to high impact loads Regains its original shape after deformation when the external forces are removed Draw into wires by the application of a tensile force ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the distance between the rows of rivets, for equal number of rivets in more than one row for lap joint or butt joint (chain riveting) shall not be less than 2 d 2.5 d d 1.5 d 2 d 2.5 d d 1.5 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The railway carriage couplings have Acme threads Buttress threads Square threads Knuckle threads Acme threads Buttress threads Square threads Knuckle threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt) d 0.5 d 1.25 d 0.75 d d 0.5 d 1.25 d 0.75 d ANSWER DOWNLOAD EXAMIANS APP
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