Theory of Machine The velocity of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by ω(R - r₁) sinθ ωr₁ sinθ ω(R - r₁) cosθ ωR cosθ ω(R - r₁) sinθ ωr₁ sinθ ω(R - r₁) cosθ ωR cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, if N coincides with O, then Acceleration and velocity of the piston P is maximum Acceleration of the piston P is maximum and its velocity is zero Acceleration of the piston P is zero and its velocity is maximum Acceleration and velocity of the piston P is zero Acceleration and velocity of the piston P is maximum Acceleration of the piston P is maximum and its velocity is zero Acceleration of the piston P is zero and its velocity is maximum Acceleration and velocity of the piston P is zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The advantage of the piston valve over the slide valve is that in the former case The pressure developed being high provides tight sealing Wear is less Both wear and power absorbed are low Power absorbed is less The pressure developed being high provides tight sealing Wear is less Both wear and power absorbed are low Power absorbed is less ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a mechanism, the fixed instantaneous centers are those centers which Moves as the mechanism moves, but joints are of permanent nature Remain in the same place for all configurations of the mechanism None of the listed here Vary with the configuration of the mechanism Moves as the mechanism moves, but joints are of permanent nature Remain in the same place for all configurations of the mechanism None of the listed here Vary with the configuration of the mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's diagram is useful to find Acceleration of various parts Displacement of various parts Angular acceleration of various parts Velocity of various parts Acceleration of various parts Displacement of various parts Angular acceleration of various parts Velocity of various parts ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The inversion of a mechanism is Obtained by fixing different links in a kinematic chain Obtained by reversing the input and output motion Changing of a higher pair to a lower pair Turning its upside down Obtained by fixing different links in a kinematic chain Obtained by reversing the input and output motion Changing of a higher pair to a lower pair Turning its upside down ANSWER DOWNLOAD EXAMIANS APP
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