Machine Design A bolt of uniform strength can be developed by Keeping the nominal diameter of threads equal to the diameter of unthreaded portion of the bolt None of these Keeping the core diameter of threads equal to the diameter of unthreaded portion of the bolt Keeping the core diameter smaller than the diameter of the unthreaded portion Keeping the nominal diameter of threads equal to the diameter of unthreaded portion of the bolt None of these Keeping the core diameter of threads equal to the diameter of unthreaded portion of the bolt Keeping the core diameter smaller than the diameter of the unthreaded portion ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flat belt drive, if the slip between the driver and belt is 1 %, between the belt and follower is 3% and driver and follower pulley diameters are equal, then velocity ratio of the drive will be 0.99 0.97 0.98 0.96 0.99 0.97 0.98 0.96 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In cylindrical cams, the follower moves Along the cam axis In a direction parallel to the cam axis In a direction perpendicular to the cam axis In any direction irrespective of cam axis Along the cam axis In a direction parallel to the cam axis In a direction perpendicular to the cam axis In any direction irrespective of cam axis ANSWER DOWNLOAD EXAMIANS APP
Machine Design The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm) 1420 d 1680 d 2080 d 2840 d 1420 d 1680 d 2080 d 2840 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ball bearings are, usually, made from High carbon steel Low carbon steel High speed steel Medium carbon steel High carbon steel Low carbon steel High speed steel Medium carbon steel ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrodynamic bearings The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant Grease is used for lubrication The oil film is maintained by supplying oil under pressure The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant Grease is used for lubrication The oil film is maintained by supplying oil under pressure ANSWER DOWNLOAD EXAMIANS APP
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