Machine Design When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is 0.5 0.65 0.2 0.35 0.5 0.65 0.2 0.35 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by Remain unaffected with cross-section area Decreasing the cross-section area of bar Increasing the cross-section area of bar Would depend upon other factors Remain unaffected with cross-section area Decreasing the cross-section area of bar Increasing the cross-section area of bar Would depend upon other factors ANSWER DOWNLOAD EXAMIANS APP
Machine Design If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to 1.5 × diameter of bolt Diameter of bolt 0.75 × diameter of bolt 1.25 × diameter of bolt 1.5 × diameter of bolt Diameter of bolt 0.75 × diameter of bolt 1.25 × diameter of bolt ANSWER DOWNLOAD EXAMIANS APP
Machine Design In skew bevel gearing, the axes of shafts are None of these Intersecting and the teeth are curved Non-intersecting and nonparallel and the teeth are curved Non-intersecting and non-parallel and the teeth are straight None of these Intersecting and the teeth are curved Non-intersecting and nonparallel and the teeth are curved Non-intersecting and non-parallel and the teeth are straight ANSWER DOWNLOAD EXAMIANS APP
Machine Design A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be 30 kN/m 12 kN/m 6 kN/m 24 kN/m 30 kN/m 12 kN/m 6 kN/m 24 kN/m ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a partial journal bearing, the angle of contact of the bearing with the journal is 180° 120° 360° 270° 180° 120° 360° 270° ANSWER DOWNLOAD EXAMIANS APP