Theory of Machine A spring controlled governor is found unstable. It can be made stable by Decreasing the ball mass Increasing the ball mass Decreasing the spring stiffness Increasing the spring stiffness Decreasing the ball mass Increasing the ball mass Decreasing the spring stiffness Increasing the spring stiffness ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is constant, then Both open belt drive and crossed belt drive is recommended Open belt drive is recommended The drive is recommended depending upon the torque transmitted Crossed belt drive is recommended Both open belt drive and crossed belt drive is recommended Open belt drive is recommended The drive is recommended depending upon the torque transmitted Crossed belt drive is recommended ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves downwards, the governor speed First increases and then decreases Decreases Increases Remain unaffected First increases and then decreases Decreases Increases Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to I₂/G G.I₂ I₂/G² G².I₂ I₂/G G.I₂ I₂/G² G².I₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For dynamic balancing of a shaft Both (A) and (B) None of these The net dynamic force acting on the shaft is equal to zero The net couple due to the dynamic forces acting on the shaft is equal to zero Both (A) and (B) None of these The net dynamic force acting on the shaft is equal to zero The net couple due to the dynamic forces acting on the shaft is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have two elements that Are held together Have line contact Have surface contact Permit relative motion Are held together Have line contact Have surface contact Permit relative motion ANSWER DOWNLOAD EXAMIANS APP
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