Theory of Machine The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line Not possible to determine with these data Joining the corresponding points Perpendicular to line as per (A) At 45° to line as per (A) Not possible to determine with these data Joining the corresponding points Perpendicular to line as per (A) At 45° to line as per (A) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotating shafts tend to vibrate violently at whirling speeds because The system is unbalanced Resonance is caused due to the heavy mass of the rotor Bearing centre line coincides with the axis The shafts are rotating at very high speeds The system is unbalanced Resonance is caused due to the heavy mass of the rotor Bearing centre line coincides with the axis The shafts are rotating at very high speeds ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft depends upon its Stiffness Stiffness and eccentricity Mass and stiffness Mass Stiffness Stiffness and eccentricity Mass and stiffness Mass ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The balancing of a rigid rotor can be achieved by appropriately placing balancing masses in A single plane Four planes Three planes Two planes A single plane Four planes Three planes Two planes 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 The drive is recommended depending upon the torque transmitted Both open belt drive and crossed belt drive is recommended Open belt drive is recommended Crossed belt drive is recommended The drive is recommended depending upon the torque transmitted Both open belt drive and crossed belt drive is recommended Open belt drive is recommended Crossed belt drive is recommended 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 Different Same Unpredictable None of these Different Same Unpredictable ANSWER DOWNLOAD EXAMIANS APP