Machine Design For general industrial machinery, the ratio of the length of journal to its diameter is taken as 1 to 2 5 to 10 0.5 to 1 3 to 5 1 to 2 5 to 10 0.5 to 1 3 to 5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resultant axial load on a bolt depends on All of these Initial tension External load applied Relative elastic yielding (springness) of the bolt and the connected member All of these Initial tension External load applied Relative elastic yielding (springness) of the bolt and the connected member ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a belt drive, if the pulley diameter is doubled keeping the tension and belt width constant, then it will be necessary to Increase the key depth Decrease the key length Increase the key length Increase the key width Increase the key depth Decrease the key length Increase the key length Increase the key width ANSWER DOWNLOAD EXAMIANS APP
Machine Design Gear box is used To increase efficiency of system For speed reduction To obtain variable speeds To produce torque To increase efficiency of system For speed reduction To obtain variable speeds To produce torque ANSWER DOWNLOAD EXAMIANS APP
Machine Design The condition for maximum power transmission is that the maximum tension in the flat belt should be equal to(Where, Pc = tension in belt due to centrifugal force) 1 Pc 2 Pc 3 Pc Pc/3 1 Pc 2 Pc 3 Pc Pc/3 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 (2WD/ πd3) × K (WD/ πd3) × K (8WD/ πd3) × K (4WD/ πd3) × K (2WD/ πd3) × K (WD/ πd3) × K (8WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
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