Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 3 Hz 6 Hz 6π Hz 3π Hz 3 Hz 6 Hz 6π Hz 3π Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The sense of Coriolis component is such that it Leads the sliding velocity vector by 180° Is along the sliding velocity vector Leads the sliding velocity vector by 90° Lags the sliding velocity vector by 90° Leads the sliding velocity vector by 180° Is along the sliding velocity vector Leads the sliding velocity vector by 90° Lags the sliding velocity vector by 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ‘D₁’ and ‘D₂’ be the diameters of driver and driven pulleys, then belt speed is proportional to D₁/D₂ D₁.D₂ D₂/D₁ D₁ D₁/D₂ D₁.D₂ D₂/D₁ D₁ 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 sinθ ω² × OQ cosθ ω² × OQ ω² × OQ tanθ ω² × OQ sinθ ω² × OQ cosθ ω² × OQ ω² × OQ tanθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.8 0.2 0.6 0.4 0.8 0.2 0.6 0.4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism consisting of three turning pairs and one sliding pair, is called a Whitworth quick return motion mechanism Single slider crank chain Crank and slotted lever quick return motion mechanism All of these Whitworth quick return motion mechanism Single slider crank chain Crank and slotted lever quick return motion mechanism All of these ANSWER DOWNLOAD EXAMIANS APP
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