Machine Design The velocity factor for ordinary cut gears operating at velocities up to 12.5 m/s is equal to 4.5/(4.5 + v) 3/(3 + v) 0.75/(0.75 + √v) 6/(6 + v) 4.5/(4.5 + v) 3/(3 + v) 0.75/(0.75 + √v) 6/(6 + v) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Resilience of a material is important, when it is subjected to Fatigue Shock loading Combined loading Thermal stresses Fatigue Shock loading Combined loading Thermal stresses ANSWER DOWNLOAD EXAMIANS APP
Machine Design The permissible stress for carbon steel under static loading is generally taken as 2000-3000 kg/m² 7500-10,000 kg/cm² 3000-4000 kg/cm² 4000-4500 kg/cm² 2000-3000 kg/m² 7500-10,000 kg/cm² 3000-4000 kg/cm² 4000-4500 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Machine Design Factor of safety for fatigue loading is the ratio of Elastic limit to the working stress Endurance limit to the working stress Young's modulus to the ultimate tensile strength Elastic limit to the yield point Elastic limit to the working stress Endurance limit to the working stress Young's modulus to the ultimate tensile strength Elastic limit to the yield point ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if the Friction angle is more than helix angle Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is less than helix angle Friction angle is more than helix angle Friction angle is equal to helix angle Efficiency of screw is 100% Friction angle is less than helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts ‘A’ and ‘B’ under pure torsion are of identical length and identical weight and are made of the same material. The shaft ‘A’ is solid and the shaft ‘B’ is hollow. We can say that Shaft A is better than shaft B Both the shafts are equally good Shaft B is better than shaft A None of these Shaft A is better than shaft B Both the shafts are equally good Shaft B is better than shaft A None of these ANSWER DOWNLOAD EXAMIANS APP
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