Theory of Machine In a ball bearing, ball and bearing forms a Turning pair Spherical pair Rolling pair Screw pair Turning pair Spherical pair Rolling pair Screw pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is 5,367 r.p.m. 12,000 r.p.m. 9,360 r.p.m. 6,000 r.p.m. 5,367 r.p.m. 12,000 r.p.m. 9,360 r.p.m. 6,000 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The pitching of a ship produces forces on the bearings which act __________ to the motion of the ship. Horizontally and parallel Vertically and perpendicular Horizontally and perpendicular Vertically and parallel Horizontally and parallel Vertically and perpendicular Horizontally and perpendicular Vertically and parallel 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 The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as Spherical pair Rolling pair Sliding pair Turning pair Spherical pair Rolling pair Sliding pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In elliptical trammels Three pairs turning and one pair sliding All four pairs are turning One pair turning and three pairs sliding Two pairs turning and two pairs sliding Three pairs turning and one pair sliding All four pairs are turning One pair turning and three pairs sliding Two pairs turning and two pairs sliding ANSWER DOWNLOAD EXAMIANS APP
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