Machine Design The connecting rod bolts are tightened up so that tightening stress Approaches yield point Is just sufficient to hold parts together Is 50% of yield point Is about yield point divided by safety factor Approaches yield point Is just sufficient to hold parts together Is 50% of yield point Is about yield point divided by safety factor ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrodynamic bearings The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resistance to fatigue of a material is measured by Elastic limit Endurance limit Ultimate tensile strength Young's modulus Elastic limit Endurance limit Ultimate tensile strength Young's modulus 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 3 d 4 d 2 d 5 d 3 d 4 d 2 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design Ball bearing type screws are found in following application Crane Screw jack Aeroplane engines Steering mechanism Crane Screw jack Aeroplane engines Steering mechanism ANSWER DOWNLOAD EXAMIANS APP
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 Keeping the core diameter smaller than the diameter of the unthreaded portion None of these Keeping the core diameter of threads equal to the diameter of unthreaded portion of the bolt Keeping the nominal 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 None of these Keeping the core diameter of threads equal to the diameter of unthreaded portion of the bolt ANSWER DOWNLOAD EXAMIANS APP