Machine Design Screws used for power transmission should have Strong teeth Very fine threads High efficiency Low efficiency Strong teeth Very fine threads High efficiency Low efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils) Gd⁴/ 8D²n Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D3n Gd⁴/ 8D²n Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D3n ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a sleeve coupling, outer diameter of the sleeve is taken as (where d = Diameter of the shaft) d + 17 mm 3.5d 2d + 20 mm 2d + 13 mm d + 17 mm 3.5d 2d + 20 mm 2d + 13 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design Gears are casted by Permanent mould casting Centrifugal casting Sand mould casting Slush casting Permanent mould casting Centrifugal casting Sand mould casting Slush casting ANSWER DOWNLOAD EXAMIANS APP
Machine Design Allen bolts are Self locking bolts Designed for shock load Provided with hexagonal depression in head Used in aircraft application Self locking bolts Designed for shock load Provided with hexagonal depression in head Used in aircraft application ANSWER DOWNLOAD EXAMIANS APP
Machine Design The number of slots in a 25 mm castle nut is 6 4 2 8 6 4 2 8 ANSWER DOWNLOAD EXAMIANS APP