Theory of Machine The inversion of a mechanism is Turning its upside down Obtained by reversing the input and output motion Obtained by fixing different links in a kinematic chain Changing of a higher pair to a lower pair Turning its upside down Obtained by reversing the input and output motion Obtained by fixing different links in a kinematic chain Changing of a higher pair to a lower pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank) m.ω².r sinθ m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum fluctuation of speed is the Difference of minimum fluctuation of speed and the mean speed Difference of the maximum and minimum speeds Sum of maximum and minimum speeds Variations of speed above and below the mean resisting torque line Difference of minimum fluctuation of speed and the mean speed Difference of the maximum and minimum speeds Sum of maximum and minimum speeds Variations of speed above and below the mean resisting torque line ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary unbalanced force is maximum _________ in one revolution of the crank. Eight times Sixteen times Four times Twice Eight times Sixteen times Four times Twice ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the nature of contact between the elements of a pair is such that it can only slide relative to the other, the pair is known as a Sliding pair Screw pair Spherical pair Turning pair Sliding pair Screw pair Spherical pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The direction of Coriolis component of acceleration is the direction Along perpendicular to angular velocity Along tangential acceleration Along the centripetal acceleration Of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link Along perpendicular to angular velocity Along tangential acceleration Along the centripetal acceleration Of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link ANSWER DOWNLOAD EXAMIANS APP
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