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 0.6 0.4 0.2 0.8 0.6 0.4 0.2 0.8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is said to be isochronous when the controlling force Decreases as the radius of rotation increases Remain constant for all radii of rotation Increases as the radius of rotation increases Increases as the radius of rotation decreases Decreases as the radius of rotation increases Remain constant for all radii of rotation Increases as the radius of rotation increases Increases as the radius of rotation decreases ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ¾μWR ²/₃ μWR μwr ½μWR ¾μWR ²/₃ μWR μwr ½μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A kinematic chain requires at least 5 links and 4 turning pairs 4 links and 4 turning pairs 3 links and 4 turning pairs 2 links and 3 turning pairs 5 links and 4 turning pairs 4 links and 4 turning pairs 3 links and 4 turning pairs 2 links and 3 turning pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of a particle moving with simple harmonic motion, at any instant is given by (where ω = Displacement of the particle from mean position) ω √(x² - r²) ω √(r² - x²) ω² √(r² - x²) ω² √(x² - r²) ω √(x² - r²) ω √(r² - x²) ω² √(r² - x²) ω² √(x² - r²) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, the distance by which the outer edge of the D-slide valve overlaps the steam port is called Steam lap Exhaust lap Lead None of these Steam lap Exhaust lap Lead None of these ANSWER DOWNLOAD EXAMIANS APP
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