Machine Design The railway carriage couplings have Buttress threads Square threads Knuckle threads Acme threads Buttress threads Square threads Knuckle threads Acme threads 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 2d + 20 mm 2d + 13 mm 3.5d d + 17 mm 2d + 20 mm 2d + 13 mm 3.5d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress in the threaded part of the bolt will be __________ as compared to the shank. Same None of these Higher Lower Same None of these Higher Lower ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a key, it is assumed that the distribution of forces along the length of key Varies exponentially, being less at the torque-input end Varies exponentially, being more at the torque-input end Is uniform throughout Varies linearly Varies exponentially, being less at the torque-input end Varies exponentially, being more at the torque-input end Is uniform throughout Varies linearly 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 joint from damaging the belt surface Prevent the belt from running off the pulley Increase the power transmission capacity Increase the belt velocity Prevent the belt joint from damaging the belt surface Prevent the belt from running off the pulley Increase the power transmission capacity ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is F.P F + P P F F.P F + P P F ANSWER DOWNLOAD EXAMIANS APP