Machine Design Which one of the following is a positive drive? Chain drive Rope drive Crossed flat belt drive V-belt drive Chain drive Rope drive Crossed flat belt drive V-belt drive 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 (8WD/ πd3) × K (2WD/ πd3) × K (4WD/ πd3) × K (WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
Machine Design An open coiled helical compression spring 'A' of mean diameter 50 mm is subjected to an axial load ‘W’. Another spring 'B' of mean diameter 25 mm is similar to spring 'A' in all respects. The deflection of spring 'B' will be __________ as compared to spring 'A'. One-eighth One-fourth One-half Double One-eighth One-fourth One-half Double ANSWER DOWNLOAD EXAMIANS APP
Machine Design A connecting rod should be Equally strong in buckling about X-axis and Y-axis Any one of the above Strong in buckling about X-axis Strong in buckling about Y-axis Equally strong in buckling about X-axis and Y-axis Any one of the above Strong in buckling about X-axis Strong in buckling about Y-axis ANSWER DOWNLOAD EXAMIANS APP
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 1680 d 2840 d 1420 d 2080 d 1680 d 2840 d 1420 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design Factor of safety for fatigue loading is the ratio of Elastic limit to the working stress Young's modulus to the ultimate tensile strength Elastic limit to the yield point Endurance limit to the working stress Elastic limit to the working stress Young's modulus to the ultimate tensile strength Elastic limit to the yield point Endurance limit to the working stress ANSWER DOWNLOAD EXAMIANS APP