Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 3 Hz 6π Hz 6 Hz 3π Hz 3 Hz 6π Hz 6 Hz 3π Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The retardation of a flat faced follower when it has contact at the apex of the nose of a circular arc cam, is given by (where OQ = Distance between the centre of circular flank and centre of nose) ω² × OQ ω² × OQ cosθ ω² × OQ tanθ ω² × OQ sinθ ω² × OQ ω² × OQ cosθ ω² × OQ tanθ ω² × OQ sinθ 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 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) m.ω².r cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is 0° and 90° 180° and 360° 0° and 180° 90° and 180° 0° and 90° 180° and 360° 0° and 180° 90° and 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an inversion of a double slider crank chain? All of these Scotch yoke mechanism Elliptical trammel Oldham's coupling All of these Scotch yoke mechanism Elliptical trammel Oldham's coupling 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 Less than 2 Equal to 2 Greater than 2 Equal to 1 Less than 2 Equal to 2 Greater than 2 Equal to 1 ANSWER DOWNLOAD EXAMIANS APP
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