Theory of Machine The frequency of damped vibrations with viscous damping is ________ the frequency of undamped vibrations. None of these More than Less than Same as None of these More than Less than Same as ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve) (m + M)/m M/(m + M) m/(m + M) (m + M)/M (m + M)/m M/(m + M) m/(m + M) (m + M)/M ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than 0.5 0.25 2 1 0.5 0.25 2 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Bifilar suspension method is used to determine Position of balancing weights Moment of inertia Natural frequency of vibration Centripetal acceleration Position of balancing weights Moment of inertia Natural frequency of vibration Centripetal acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The factional torque for square thread at the mean radius r while raising load W is given by T = W.r tanφ T = W.r tan(φ + α) T = W.r tanα T = W.r tan(φ - α) T = W.r tanφ T = W.r tan(φ + α) T = W.r tanα T = W.r tan(φ - α) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The driving and driven shafts connected by a Hooke's joint will have equal speeds, if tanθ = ± cosα cotθ = cosα sinθ = ± tanα cosθ = sinα tanθ = ± cosα cotθ = cosα sinθ = ± tanα cosθ = sinα ANSWER DOWNLOAD EXAMIANS APP