Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.6 0.2 0.4 0.8 0.6 0.2 0.4 0.8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the rubbing surface __________ with the distance from the axis of the bearing. Decreases Increases None of these Remain same Decreases Increases None of these Remain same ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The absolute acceleration of any point ‘P’ in a link about center of rotation ‘O’ is At 45° to PO Along PO Perpendicular to PO None of the listed here At 45° to PO Along PO Perpendicular to PO None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The sense of Coriolis component is such that it Is along the sliding velocity vector Leads the sliding velocity vector by 180° Leads the sliding velocity vector by 90° Lags the sliding velocity vector by 90° Is along the sliding velocity vector Leads the sliding velocity vector by 180° Leads the sliding velocity vector by 90° Lags the sliding velocity vector by 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a lower pair? Ball and socket i Piston and cylinder Both (A) and (B) above Cam and follower Ball and socket i Piston and cylinder Both (A) and (B) above Cam and follower ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The train value of a gear train is Always greater than unity Equal to velocity ratio of a gear train Reciprocal of velocity ratio of a gear train Always less than unity Always greater than unity Equal to velocity ratio of a gear train Reciprocal of velocity ratio of a gear train Always less than unity ANSWER DOWNLOAD EXAMIANS APP
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