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 0.8 0.4 0.2 0.6 0.8 0.4 0.2 0.6 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whitworth quick return mechanism is obtained by inversion of Five link mechanism Kinematic chain Slider crank mechanism Roller cam mechanism Five link mechanism Kinematic chain Slider crank mechanism Roller cam mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a hydrodynamic journal bearing, there is A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing A thick film of lubricant between the journal and the bearing A forced lubricant between the journal and the bearing No lubricant between the journal and the bearing A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing A thick film of lubricant between the journal and the bearing A forced lubricant between the journal and the bearing No lubricant between the journal and the bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A chain comprises of 5 links having 5 joints. Is it kinematic chain? It is a marginal case No Yes Data are insufficient to determine it It is a marginal case No Yes Data are insufficient to determine it ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be To dip the nose and raise the tail To raise the nose and tail To dip the nose and tail To raise the nose and dip the tail To dip the nose and raise the tail To raise the nose and tail To dip the nose and tail To raise the nose and dip the tail ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two elements of a pair are said to form a _________ when they permit relative motion between them. Open pair Kinematic pair None of these Sliding pair Open pair Kinematic pair None of these Sliding pair ANSWER DOWNLOAD EXAMIANS APP
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