Machine Design A special case of ductility which permits materials to be rolled or hammered into thin sheets, is called Plasticity Elasticity Malleability Ductility Plasticity Elasticity Malleability Ductility ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio Decreases None of these Remains unchanged Increases Decreases None of these Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Machine Design The contact ratio for gears is Zero Less than one Greater than one None of these Zero Less than one Greater than one None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrodynamic bearings The oil film is maintained by supplying oil under pressure Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration factor is defined as the ratio of Maximum stress to the endurance limit Nominal stress to the maximum stress Nominal stress to the endurance limit Maximum stress to the nominal stress Maximum stress to the endurance limit Nominal stress to the maximum stress Nominal stress to the endurance limit Maximum stress to the nominal stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The fatigue life of a part can be improved by Electroplating Shot peening Polishing Coating Electroplating Shot peening Polishing Coating ANSWER DOWNLOAD EXAMIANS APP
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