Theory of Machine The velocity of a body moving with simple harmonic motion is __________ at the mean position. Maximum Minimum Zero None of these Maximum Minimum Zero None of these 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 Parabolic curve Triangle Straight line Rectangle Parabolic curve Triangle Straight line Rectangle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the number of teeth to the pitch circle diameter in millimeters, is called Module None of these Diametral pitch Circular pitch Module None of these Diametral pitch Circular pitch 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 2R Become equal to R/2 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 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will Reduce length of effective stroke of piston Cause withdrawing or throttling of steam All of these Reduce maximum opening of port to steam Reduce length of effective stroke of piston Cause withdrawing or throttling of steam All of these Reduce maximum opening of port to steam ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) r sinφ (r/2) cosφ r tanφ r cosφ r sinφ (r/2) cosφ r tanφ r cosφ ANSWER DOWNLOAD EXAMIANS APP
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