Machine Design Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is F.P P F F + P F.P P F F + P 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 4F/ πd² 8F/ πd² 6F/ πd² 16F/ 3πd² 4F/ πd² 8F/ πd² 6F/ πd² 16F/ 3πd² ANSWER DOWNLOAD EXAMIANS APP
Machine Design The value of Lewis form factor used in design of gears is All of these Independent of size of teeth Dependent on number of teeth of a gear Dependent on system of teeth All of these Independent of size of teeth Dependent on number of teeth of a gear Dependent on system of teeth ANSWER DOWNLOAD EXAMIANS APP
Machine Design Pick up wrong statement. Fatigue strength can be increased by Shot peening Hot working Grinding and lapping surface Cold working Shot peening Hot working Grinding and lapping surface Cold working ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cold working Has no influence on fatigue strength Decreases the fatigue strength Alone has no influence on fatigue strength Increases the fatigue strength Has no influence on fatigue strength Decreases the fatigue strength Alone has no influence on fatigue strength Increases the fatigue strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft) 3 d 5 d 2 d 4 d 3 d 5 d 2 d 4 d ANSWER DOWNLOAD EXAMIANS APP