Machine Design Wahl's stress factor __________ very rapidly as the spring index decreases. Remain same Decreases Increases None of these Remain same Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is Direct shear stress only Bending stress only A combination of torsional shear stress and bending A combination of bending stress and direct shear stress Direct shear stress only Bending stress only A combination of torsional shear stress and bending A combination of bending stress and direct shear stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Is minimum at zero speed and increases monotonically with increase in speed Remains constant at all speeds Is maximum at zero speed and decreases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed Is minimum at zero speed and increases monotonically with increase in speed Remains constant at all speeds Is maximum at zero speed and decreases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed ANSWER DOWNLOAD EXAMIANS APP
Machine Design Buttress threads are usually found on Railway carriage couplings Screw cutting lathes Feed mechanisms Spindles of bench vices Railway carriage couplings Screw cutting lathes Feed mechanisms Spindles of bench vices ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a circular beam of diameter d is subjected to a shear force F, the maximum shear stress induced will be 6F/ πd² 8F/ πd² 4F/ πd² 16F/ 3πd² 6F/ πd² 8F/ πd² 4F/ πd² 16F/ 3πd² ANSWER DOWNLOAD EXAMIANS APP
Machine Design When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at right angle, then they are known as Crown bevel gears Angular bevel gears Miter gears Internal bevel gears Crown bevel gears Angular bevel gears Miter gears Internal bevel gears ANSWER DOWNLOAD EXAMIANS APP
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