Theory of Machine The primary unbalanced force is maximum _________ in one revolution of the crank. Four times Sixteen times Twice Eight times Four times Sixteen times Twice Eight times ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is(Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ²/₃ μWR μwr ¾μWR ½μWR ²/₃ μWR μwr ¾μWR ½μWR ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a pendulum type governor? Hartnell governor Porter governor Watt governor None of these Hartnell governor Porter governor Watt governor None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A rotor which is balanced statically but not dynamically is supported on two bearings L apart and at high speed of the rotor, reaction on the left bearing is R. The right side of the bearing is shifted to a new position 2L apart from the left bearing. At the same rotor speed, dynamic reaction on the left bearing in the new arrangement will Become equal to R/4 Remain same as before Become equal to 2R Become equal to R/2 Become equal to R/4 Remain same as before Become equal to 2R Become equal to R/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body is said to be under forced vibrations, when None of these No external force acts on a body, after giving it an initial displacement There is a reduction in amplitude after every cycle of vibration A body vibrates under the influence of external force None of these No external force acts on a body, after giving it an initial displacement There is a reduction in amplitude after every cycle of vibration A body vibrates under the influence of external force ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If there are L number of links in a mechanism, then number of possible inversions is equal to L - 1 L L + 2 L + 1 L - 1 L L + 2 L + 1 ANSWER DOWNLOAD EXAMIANS APP