Theory of Machine The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where R = Radius of shaft, and α = Semi-angle of the cone) (2/3) μ W R cosecα (3/4) μ W R cosecα (1/2) μ W R cosecα μ W R cosecα (2/3) μ W R cosecα (3/4) μ W R cosecα (1/2) μ W R cosecα μ W R cosecα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The sense of Coriolis component is such that it 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° Is along the sliding velocity vector Leads the sliding velocity vector by 180° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a hydrodynamic journal bearing, there is A forced 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 No lubricant 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 A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing No lubricant between the journal and the bearing A thick film of lubricant between the journal and the bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A pantograph is a mechanism with Higher pairs Rolling pairs Lower pairs Turning pairs Higher pairs Rolling pairs Lower pairs Turning pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is false statement in respect of differences between machine and structure? Machines modify movement and work, whereas structures modify forces In machines, relative motion exists between its members, whereas same does not exist in case of structures Efficiency of machines as well as structures is below 100 % Machines transmit mechanical work, whereas structures transmit forces Machines modify movement and work, whereas structures modify forces In machines, relative motion exists between its members, whereas same does not exist in case of structures Efficiency of machines as well as structures is below 100 % Machines transmit mechanical work, whereas structures transmit forces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Cam angle is defined as the angle Of rotation of the cam for a definite displacement of the follower During which the follower returns to its initial position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Through which, the cam rotates during the period in which the follower remains in the highest position Of rotation of the cam for a definite displacement of the follower During which the follower returns to its initial position Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Through which, the cam rotates during the period in which the follower remains in the highest position ANSWER DOWNLOAD EXAMIANS APP
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