Machine Design Multiple threads are used to secure Low efficiency High efficiency High mechanical advantage High load lifting capacity Low efficiency High efficiency High mechanical advantage High load lifting capacity ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the factor of safety of riveted joint should not be less than 4 1 3 2 4 1 3 2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shock absorbing capacity of a bolt may be increased by Increasing its shank diameter Making the shank diameter equal to core diameter of thread Tightening the bolt properly Decreasing its shank diameter Increasing its shank diameter Making the shank diameter equal to core diameter of thread Tightening the bolt properly Decreasing its shank diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrodynamic bearings The oil film is maintained by supplying oil under pressure Grease is used for lubrication Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Grease is used for lubrication Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the External load applied Initial tension or external load, whichever is greater Initial tension Sum of the initial tension and external load applied External load applied Initial tension or external load, whichever is greater Initial tension Sum of the initial tension and external load applied ANSWER DOWNLOAD EXAMIANS APP
Machine Design A machine part subjected to _________ is called a strut. A tangential force An axial compressive force An axial tensile force Any one of these A tangential force An axial compressive force An axial tensile force Any one of these ANSWER DOWNLOAD EXAMIANS APP
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