Theory of Machine When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a Self-closed pair Higher pair Lower pair Force-closed pair Self-closed pair Higher pair Lower pair Force-closed pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free torsional vibrations of a shaft is equal to (where q = Torsional stiffness of the shaft, and I = Mass moment of inertia of the disc attached at the end of a shaft) (1/2π). √(q/I) 1/2π 2π. √(q/I) 2π qI (1/2π). √(q/I) 1/2π 2π. √(q/I) 2π qI ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Any point on a link connecting double slider crank chain will trace a Parabola Straight line Ellipse Circle Parabola Straight line Ellipse Circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Grubler's criterion for determining the degrees of freedom (n) of a mechanism having plane motion is (where l = Number of links, and j = Number of binary joints) n = 2(l - 1) - 2j n = 3(l - 1) - 2j n = (l -1) - j n = 4(l - 1) - 3j n = 2(l - 1) - 2j n = 3(l - 1) - 2j n = (l -1) - j n = 4(l - 1) - 3j ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A higher pair has__________. Point contact None of these Surface contact No contact Point contact None of these Surface contact No contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The sense of Coriolis component is such that it Lags the sliding velocity vector by 90° Leads the sliding velocity vector by 90° Leads the sliding velocity vector by 180° Is along the sliding velocity vector Lags the sliding velocity vector by 90° Leads the sliding velocity vector by 90° Leads the sliding velocity vector by 180° Is along the sliding velocity vector ANSWER DOWNLOAD EXAMIANS APP
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