Machine Design The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are εc and εl respectively. The change in volume of the boiler cylinder per unit volume will be 2εc + εl εc² + εl εc + εl² εc + 2εl 2εc + εl εc² + εl εc + εl² εc + 2εl ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to Prevent the belt from running off the pulley Increase the power transmission capacity Prevent the belt joint from damaging the belt surface Increase the belt velocity Prevent the belt from running off the pulley Increase the power transmission capacity Prevent the belt joint from damaging the belt surface Increase the belt velocity ANSWER DOWNLOAD EXAMIANS APP
Machine Design For unequal width of butt straps, the thicknesses of butt straps are 0.625 t for both the straps on the inside and outside 0.75 t for both the straps on the inside and outside 0.75 t for narrow strap on the inside and 0.625 t for wide strap on the outside 0.75 t for wide strap on the inside and 0.625 t for narrow strap on the outside 0.625 t for both the straps on the inside and outside 0.75 t for both the straps on the inside and outside 0.75 t for narrow strap on the inside and 0.625 t for wide strap on the outside 0.75 t for wide strap on the inside and 0.625 t for narrow strap on the outside ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to avoid tearing of the plate at edge, the distance from the center line of the rivet hole to the nearest edge of the plate in terms of dia. of rivet d should be equal to 1.75 d 1.5 d 1 d 1.25 d 1.75 d 1.5 d 1 d 1.25 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shock absorbing capacity of a bolt can be increased by Increasing shank diameter Making shank diameter equal to core diameter of thread Tightening it properly Grinding the shank Increasing shank diameter Making shank diameter equal to core diameter of thread Tightening it properly Grinding the shank ANSWER DOWNLOAD EXAMIANS APP
Machine Design In second type of levers, Load is in between the fulcrum and effort None of these Fulcrum is in between the load and effort Effort is in between the fulcrum and load Load is in between the fulcrum and effort None of these Fulcrum is in between the load and effort Effort is in between the fulcrum and load ANSWER DOWNLOAD EXAMIANS APP