Theory of Machine If there are L number of links in a mechanism, then number of possible inversions is equal to L L + 1 L - 1 L + 2 L L + 1 L - 1 L + 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to Have perfect balancing To start the locomotive quickly Minimize the effect of secondary forces Minimize the effect of primary forces Have perfect balancing To start the locomotive quickly Minimize the effect of secondary forces Minimize the effect of primary forces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by ω² R cosθ ω² (R - r₁) sinθ ω² (R - r₁) cosθ ω² r₁ sinθ ω² R cosθ ω² (R - r₁) sinθ ω² (R - r₁) cosθ ω² r₁ sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between the controlling force (Fc) and radius of rotation (r) for a stable spring controlled governor is Fc = ar + b Fc = ar Fc = ar - b Fc = a/r + b Fc = ar + b Fc = ar Fc = ar - b Fc = a/r + b ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become 4 tp 16 tp tp /4 tp /16 4 tp 16 tp tp /4 tp /16 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of centers in a crank driven slider crank mechanism is 2 4 6 2 4 6 ANSWER DOWNLOAD EXAMIANS APP