Machine Design The effective stress in wire ropes during normal working is equal to the stress due to Axial load plus stress due to bending Axial load plus stress due to acceleration/retardation Bending plus stress due to acceleration/retardation Acceleration/retardation of masses plus stress due to bending Axial load plus stress due to bending Axial load plus stress due to acceleration/retardation Bending plus stress due to acceleration/retardation Acceleration/retardation of masses plus stress due to bending 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) (4WD/ πd3) × K (WD/ πd3) × K (2WD/ πd3) × K (8WD/ πd3) × K (4WD/ πd3) × K (WD/ πd3) × K (2WD/ πd3) × K (8WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the efficiency of a double riveted butt joint with double cover straps of equal width should be 80 to 90% 70 to 83% 63 to 70% 45 to 60% 80 to 90% 70 to 83% 63 to 70% 45 to 60% 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 Resilience of a material is important, when it is subjected to Combined loading Thermal stresses Fatigue Shock loading Combined loading Thermal stresses Fatigue Shock loading ANSWER DOWNLOAD EXAMIANS APP
Machine Design The taper on a rectangular sunk key is 1 in 32 1 in 16 1 in 48 1 in 100 1 in 32 1 in 16 1 in 48 1 in 100 ANSWER DOWNLOAD EXAMIANS APP