Theory of Machine The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as Magnification factor Damping factor Damping coefficient Logarithmic decrement Magnification factor Damping factor Damping coefficient Logarithmic decrement ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) r sinφ (r/2) cosφ r cosφ r tanφ r sinφ (r/2) cosφ r cosφ r tanφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Lower pairs are those which have Two elements that permit relative motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Two elements that permit relative motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a pendulum type governor? Hartnell governor None of these Porter governor Watt governor Hartnell governor None of these Porter governor Watt governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radial distance of a tooth from the pitch circle to the bottom of the tooth is called Working depth Addendum Dedendum Clearance Working depth Addendum Dedendum Clearance 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 tan(φ - α) T = W.r tanα T = W.r tanφ T = W.r tan(φ + α) T = W.r tan(φ - α) T = W.r tanα ANSWER DOWNLOAD EXAMIANS APP