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) 2080 d 1420 d 1680 d 2840 d 2080 d 1420 d 1680 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 When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt) 1.25 d 0.5 d 0.75 d d 1.25 d 0.5 d 0.75 d d ANSWER DOWNLOAD EXAMIANS APP
Machine Design Slenderness ratio is the ratio of Maximum size of column to minimum size of column Width of column to depth of column Effective length of column to least radius of gyration of the column Effective length of column to width of column Maximum size of column to minimum size of column Width of column to depth of column Effective length of column to least radius of gyration of the column Effective length of column to width of column ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrostatic 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
Machine Design All stresses produced in a belt are Tensile stresses Shear stresses Both tensile and compressive stresses Compressive stresses Tensile stresses Shear stresses Both tensile and compressive stresses Compressive stresses ANSWER DOWNLOAD EXAMIANS APP
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