Theory of Machine In order to double the period of a simple pendulum, the length of the string should be None of these Doubled Quadrupled Halved None of these Doubled Quadrupled Halved ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The C.G. of a link in any mechanism would experience Linear acceleration Both angular and linear accelerations No acceleration Angular acceleration Linear acceleration Both angular and linear accelerations No acceleration Angular acceleration 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 tanφ (r/2) cosφ r cosφ r sinφ r tanφ (r/2) cosφ r cosφ r sinφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine There are six gears A, B, C, D, E and F in a compound train. The numbers of teeth in the gears are 20, 60, 30, 80, 25 and 75 respectively. The ratio of angular speeds of the driven (F) to the driver (A) of the drive is 1/24 12 1/8 4/15 1/24 12 1/8 4/15 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the inner dead centre, in a reciprocating steam engine, then the velocity of the piston will be Maximum None of these Zero Minimum Maximum None of these Zero Minimum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The dynamic friction is the friction experienced by a body, when the body Just begins to slide over the surface of the other body None of these Is at rest Is in motion Just begins to slide over the surface of the other body None of these Is at rest Is in motion ANSWER DOWNLOAD EXAMIANS APP
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