Theory of Machine Kinematic pairs are those which have Two elements that permit relative motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Two elements that permit relative motion Point or line contact between the two elements when in motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a coupling rod of a locomotive, each of the four pairs is a ________ pair. Screw Rolling Sliding Turning Screw Rolling Sliding Turning ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A rotor which is balanced statically but not dynamically is supported on two bearings L apart and at high speed of the rotor, reaction on the left bearing is R. The right side of the bearing is shifted to a new position 2L apart from the left bearing. At the same rotor speed, dynamic reaction on the left bearing in the new arrangement will Become equal to R/4 Become equal to 2R Remain same as before Become equal to R/2 Become equal to R/4 Become equal to 2R Remain same as before Become equal to R/2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's diagram is useful to find Displacement of various parts Velocity of various parts Angular acceleration of various parts Acceleration of various parts Displacement of various parts Velocity of various parts Angular acceleration of various parts Acceleration of various parts ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a multiple V-belt drive, if one of the belts is broken, then we should replace The broken belt only All the belts None of these The broken belt and the belts on either side of it The broken belt only All the belts None of these The broken belt and the belts on either side of it ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction gives a graphic construction for Four bar chain mechanism Velocity polygon Slider-crank mechanism Acceleration polygon Four bar chain mechanism Velocity polygon Slider-crank mechanism Acceleration polygon ANSWER DOWNLOAD EXAMIANS APP
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