Machine Design According to Indian standards, a bolt thread of 6 mm size of coarse pitch and with allowance on the threads and normal tolerance grade is designated as M6 - 8d M8 M8 - 6d M6 M6 - 8d M8 M8 - 6d M6 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of 'crowning' of the flat pulleys of belt drive is to 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 Prevent the belt from running off the pulley Increase the power transmission capacity Prevent the belt joint from damaging the belt surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design The following type of nut is used with alien bolt Castle nut Any one of the above Slotted nut Hexagonal nut Castle nut Any one of the above Slotted nut Hexagonal nut ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.5 3.0 2.8 3.5 2.5 3.0 2.8 3.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the thickness of the boiler shell should not be less than 7 mm 4 mm 6 mm 5 mm 7 mm 4 mm 6 mm 5 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft) 5 d 2 d 4 d 3 d 5 d 2 d 4 d 3 d ANSWER DOWNLOAD EXAMIANS APP