Theory of Machine In steady state forced vibrations, the amplitude of vibrations at resonance is __________ damping coefficient. Inversely proportional to Equal to Directly proportional to Independent of Inversely proportional to Equal to Directly proportional to Independent of ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The factor which affects the critical speed of a shaft is Eccentricity Diameter of disc All of the listed here Span of shaft Eccentricity Diameter of disc All of the listed here Span of shaft ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a slider moves on a fixed link having curved surface, their instantaneous centre lies At the pin joint At the centre of curvature On their point of contact At the centre of circle At the pin joint At the centre of curvature On their point of contact At the centre of circle 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 ω² × OQ tanθ ω² × OQ cosθ ω² × OQ sinθ ω² × OQ ω² × OQ tanθ ω² × OQ cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The minimum length of the coupler will be 45 mm 95 mm Slightly more than 45 mm Slightly less than 45 mm 45 mm 95 mm Slightly more than 45 mm Slightly less than 45 mm ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is found unstable. It can be made stable by Decreasing the spring stiffness Decreasing the ball mass Increasing the ball mass Increasing the spring stiffness Decreasing the spring stiffness Decreasing the ball mass Increasing the ball mass Increasing the spring stiffness ANSWER DOWNLOAD EXAMIANS APP
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