Theory of Machine The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as Damping factor Damping coefficient Magnification factor Logarithmic decrement Damping factor Damping coefficient Magnification factor Logarithmic decrement ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) ω/2π ω × 2π 2π/ω π/ω ω/2π ω × 2π 2π/ω π/ω ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to G.I₂ I₂/G² G².I₂ I₂/G G.I₂ I₂/G² G².I₂ I₂/G ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the below are inversions of slider crank mechanism? 1. Oscillating cylinder engine mechanism 2. Toggle mechanism 3. Radial cylinder engine mechanism 4. Quick return mechanism 1, 2 and 4 1, 3 and 4 2, 3 and 4 1, 2 and 3 1, 2 and 4 1, 3 and 4 2, 3 and 4 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Scott-Russell mechanism consists of Sliding pairs only Sliding and turning pairs Sliding and rotary pairs Turning and rotary pairs Sliding pairs only Sliding and turning pairs Sliding and rotary pairs Turning and rotary pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a circular arc cam with roller follower, the acceleration in any position of the lift will depend only upon Total lift, centre of gravity of the cam and cam speed Mass of cam follower linkage, spring stiffness and cam speed Radius of circular arc, cam speed, location of centre of circular arc and roller diameter Total lift, total angle of lift, minimum radius of cam and cam speed Total lift, centre of gravity of the cam and cam speed Mass of cam follower linkage, spring stiffness and cam speed Radius of circular arc, cam speed, location of centre of circular arc and roller diameter Total lift, total angle of lift, minimum radius of cam and cam speed ANSWER DOWNLOAD EXAMIANS APP
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