Machine Design For tight leakage joints, following type of thread is best suited Buttress Metric Square NPT (national pipe threads). Buttress Metric Square NPT (national pipe threads). ANSWER DOWNLOAD EXAMIANS APP
Machine Design When spring index increases, the value of Wahl's stress factor Increases exponentially Decreases linearly Increases linearly Remains same Increases exponentially Decreases linearly Increases linearly Remains same ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if its efficiency is Equal to 50% None of these Less than 50% More than 50% Equal to 50% None of these Less than 50% More than 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design Slenderness ratio is the ratio of Effective length of column to width of column Maximum size of column to minimum size of column Effective length of column to least radius of gyration of the column Width of column to depth of column Effective length of column to width of column Maximum size of column to minimum size of column Effective length of column to least radius of gyration of the column Width of column to depth of column ANSWER DOWNLOAD EXAMIANS APP
Machine Design The yield point in static loading is __________ as compared to fatigue loading. Lower Same None of these Higher Lower Same None of these Higher ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring) (2WD/ πd3) × K (4WD/ πd3) × K (8WD/ πd3) × K (WD/ πd3) × K (2WD/ πd3) × K (4WD/ πd3) × K (8WD/ πd3) × K (WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP