Theory of Machine In a pantograph, all the pairs are Spherical pairs Sliding pairs Self-closed pairs Turning pairs Spherical pairs Sliding pairs Self-closed pairs Turning pairs 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 45 mm Slightly more than 95 mm 95 mm Slightly less than 95 mm 45 mm Slightly more than 95 mm 95 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The driving and driven shafts connected by a Hooke's joint will have equal speeds, if cotθ = cosα sinθ = ± tanα tanθ = ± cosα cosθ = sinα cotθ = cosα sinθ = ± tanα tanθ = ± cosα cosθ = sinα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a coupling rod of a locomotive, each of the four pairs is a ________ pair. Rolling Sliding Turning Screw Rolling Sliding Turning Screw ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the pressure angle is __________, a reciprocating follower will jam in its bearings. Too small Small Large Too large Too small Small Large Too large ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where R = Radius of shaft, and α = Semi-angle of the cone) (2/3) μ W R cosecα (1/2) μ W R cosecα μ W R cosecα (3/4) μ W R cosecα (2/3) μ W R cosecα (1/2) μ W R cosecα μ W R cosecα (3/4) μ W R cosecα ANSWER DOWNLOAD EXAMIANS APP
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