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 (1/2π). √(q/I) 2π. √(q/I) 2π qI 1/2π (1/2π). √(q/I) 2π. √(q/I) 2π qI ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The size of cam depends upon Base circle Prime circle Pitch circle Pitch curve Base circle Prime circle Pitch circle Pitch curve ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine According to Kennedy's theorem, if three bodies move relatively to each other, their instantaneous centers will lie on a Rectangle Triangle Parabolic curve Straight line Rectangle Triangle Parabolic curve Straight line ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Creep in belt drive is due to Larger size of the driver pulley Material of the pulley Material of the belt Uneven extensions and contractions due to varying tension Larger size of the driver pulley Material of the pulley Material of the belt Uneven extensions and contractions due to varying tension ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the outer dead centre, in a reciprocating steam engine, then the acceleration of the piston will be ω² r {n/(n - 1)} ω² r {(n - 1)/n} ω² r {(n + 1)/n} ω² r {n/(n + 1)} ω² r {n/(n - 1)} ω² r {(n - 1)/n} ω² r {(n + 1)/n} ω² r {n/(n + 1)} ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the driving tensions for V-belts is __________ times that of flat belts.(Where β = Semi-angle of the groove) cosecβ cosβ secβ sinβ cosecβ cosβ secβ sinβ ANSWER DOWNLOAD EXAMIANS APP