Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is (Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ²/₃ μWR ½μWR ¾μWR μwr ²/₃ μWR ½μWR ¾μWR μwr ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a slider moves on a fixed link having curved surface, their instantaneous centre lies On their point of contact At the pin joint At the centre of curvature At the centre of circle On their point of contact At the pin joint At the centre of curvature At the centre of circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When two pulleys of different diameters are connected by means of an open belt, the angle of contact at the ________ pulley must be taken into consideration. Larger Smaller OR Larger Smaller None of the listed here Larger Smaller OR Larger Smaller None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In steady state forced vibrations, the amplitude of vibrations at resonance is __________ damping coefficient. Inversely proportional to Directly proportional to Equal to Independent of Inversely proportional to Directly proportional to Equal to Independent of ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is Slightly less than 95 mm Slightly more than 95 mm 95 mm 45 mm Slightly less than 95 mm Slightly more than 95 mm 95 mm 45 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For an involute gear, the ratio of base circle radius and pitch circle radius is equal to sinφ cosφ cosecφ secφ sinφ cosφ cosecφ secφ ANSWER DOWNLOAD EXAMIANS APP
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