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 12 4/15 1/24 1/8 12 4/15 1/24 1/8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a Mechanism Inversion Kinematic chain Structure Mechanism Inversion Kinematic chain Structure ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component acts Along sliding surfaces None of these Somewhere in between above two Perpendicular to sliding surfaces Along sliding surfaces None of these Somewhere in between above two Perpendicular to sliding surfaces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank) m.ω².r cosθ m.ω².r sinθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r cosθ m.ω².r sinθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is 52.92 N-s/m 18.52 N-s/m 529.2 N-s/m 1.4 N-s/m 52.92 N-s/m 18.52 N-s/m 529.2 N-s/m 1.4 N-s/m ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A Hartnell governor is a Inertia governor Spring loaded governor Dead weight governor Pendulum type governor Inertia governor Spring loaded governor Dead weight governor Pendulum type governor ANSWER DOWNLOAD EXAMIANS APP
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