Theory of Machine The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft) (1/2π). √(q/I) 2π. √(q/I) 1/2π 2π qI (1/2π). √(q/I) 2π. √(q/I) 1/2π 2π qI ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction can be used to determine acceleration of various parts when the crank is at Right angles to the link of the stroke All of the listed here Outer dead centre Inner dead centre Right angles to the link of the stroke All of the listed here Outer dead centre Inner dead centre ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Higher pairs are those which have 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 Two elements that permit relative motion Surface contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pressure angle of a cam depends upon All of these Angle of ascent Offset between center lines of cam and follower Lift of follower All of these Angle of ascent Offset between center lines of cam and follower Lift of follower ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of motion for a vibrating system with viscous damping is (d²x/dt²) + (c/m). (dx/dt) + (s/m). x = 0. If the roots of this equation are real, then the system will be Under damped Critically damped Without vibrations Over-damped Under damped Critically damped Without vibrations Over-damped 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 tanθ ω² × OQ cosθ ω² × OQ ω² × OQ sinθ ω² × OQ tanθ ω² × OQ cosθ ω² × OQ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS