Machine Design The power transmitted by the belt drive can be increased by Dressing the belt to increase the coefficient of friction Increasing the initial tension in the belt All of these Increasing wrap angle by using idler pulley Dressing the belt to increase the coefficient of friction Increasing the initial tension in the belt All of these Increasing wrap angle by using idler pulley 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 6 kN/m 12 kN/m 24 kN/m 30 kN/m 6 kN/m 12 kN/m 24 kN/m 30 kN/m ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt) 1.25 d d 0.75 d 0.5 d 1.25 d d 0.75 d 0.5 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The minimum number of teeth on the pinion which will mesh with any gear without interference for 20° full depth involute teeth will be 18 14 24 12 18 14 24 12 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following welded joint is designed for shear strength? Butt welded joint Parallel fillet welded joint All of these Transverse fillet welded joint Butt welded joint Parallel fillet welded joint All of these Transverse fillet welded joint ANSWER DOWNLOAD EXAMIANS APP
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.P F F + P P F.P F ANSWER DOWNLOAD EXAMIANS APP
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