Theory of Machine The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body) Any one of the listed here 1/2π × √(g/δ) 1/2π × √(s/m) 0.4985/√δ Any one of the listed here 1/2π × √(g/δ) 1/2π × √(s/m) 0.4985/√δ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, if ω/ωn > 1, then the phase difference between the transmitted force and the disturbing force is 270° 180° 0° 90° 270° 180° 0° 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the axes of the first and last wheels are coaxial, then the train is known as Reverted gear train Simple train of wheels Epicyclic gear train Compound train of wheels Reverted gear train Simple train of wheels Epicyclic gear train Compound train of wheels ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as CE and CS respectively. The kinetic energy of the flywheel is given by W CE / 2CS 2 W CE / CS W CS / 2CE W CE / CS W CE / 2CS 2 W CE / CS W CS / 2CE W CE / CS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the inner dead center, in a reciprocating steam engine, then the acceleration of the piston will be ω²r. (n - 1)/n ω²r. n/(n - 1) ω²r. (n + 1)/n ω²r. n/(n + 1) ω²r. (n - 1)/n ω²r. n/(n - 1) ω²r. (n + 1)/n ω²r. n/(n + 1) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Scott-Russell mechanism consists of Sliding and rotary pairs Turning and rotary pairs Sliding pairs only Sliding and turning pairs Sliding and rotary pairs Turning and rotary pairs Sliding pairs only Sliding and turning pairs ANSWER DOWNLOAD EXAMIANS APP