Theory of Machine There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20, 60, 30, 80, 25 and 75 respectively. The ratio of angular speeds of the driven (F) to the driver (A) of the drive is 1/24 4/15 12 1/8 1/24 4/15 12 1/8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pressure angle of a cam depends upon Angle of ascent Offset between center lines of cam and follower Lift of follower All of these Angle of ascent Offset between center lines of cam and follower Lift of follower All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component is encountered in Slider crank mechanism Four bar chain mechanism Both (A) and (C) above Quick return mechanism of shaper Slider crank mechanism Four bar chain mechanism Both (A) and (C) above Quick return mechanism of shaper ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, the transmissibility will be equal to unity, for all values of damping factor, if ω/ωn is Greater than 2 Equal to 2 Equal to 1 Less than 2 Greater than 2 Equal to 2 Equal to 1 Less than 2 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) (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 (2/3) μ W R cosecα (1/2) μ W R cosecα μ W R cosecα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as CE and CS respectively. The kinetic energy of the flywheel is given by W CE / 2CS W CS / 2CE W CE / CS 2 W CE / CS W CE / 2CS W CS / 2CE W CE / CS 2 W CE / CS ANSWER DOWNLOAD EXAMIANS APP
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