Machine Design Factor of safety for fatigue loading is the ratio of 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 Elastic limit to the working stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The expansion joint is mostly used for pipes which carry steam at __________ pressures. Low None of these Medium High Low None of these Medium High 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 12 kN/m 30 kN/m 6 kN/m 24 kN/m 12 kN/m 30 kN/m 6 kN/m 24 kN/m ANSWER DOWNLOAD EXAMIANS APP
Machine Design The included angle for the V-belt is usually 30°-40° 40°-60° 10°-20° 60°-80° 30°-40° 40°-60° 10°-20° 60°-80° ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt is transmitting maximum power, the belt speed should be (Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N)) √(Pmax / 3m) √(Pmax / m) √(3m /Pmax) √(Pmax / 2m) √(Pmax / 3m) √(Pmax / m) √(3m /Pmax) √(Pmax / 2m) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The surface finish factor for a mirror polished material is 1 0.65 0.85 0.45 1 0.65 0.85 0.45 ANSWER DOWNLOAD EXAMIANS APP