Theory of Machine Which of the following statement is correct as regard to the difference between a machine and a structure? All of these A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another All of these A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration exists whenever a point moves along a path that has Rotational motion Gravitational acceleration Linear displacement Tangential acceleration Rotational motion Gravitational acceleration Linear displacement Tangential 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/2) cosφ r cosφ r tanφ r sinφ (r/2) cosφ r cosφ r tanφ r sinφ 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 To start the locomotive quickly Have perfect balancing Minimize the effect of primary forces Minimize the effect of secondary forces To start the locomotive quickly Have perfect balancing Minimize the effect of primary forces Minimize the effect of secondary forces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When two links are connected by a pin joint, their instantaneous center lies At the center of curvature On their point of contact At the center of circle At the pin joint At the center of curvature On their point of contact At the center of circle At the pin joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft in revolution per second is __________ as that of natural frequency of transverse vibration. None of these Unpredictable Same Different None of these Unpredictable Same Different ANSWER DOWNLOAD EXAMIANS APP
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