Theory of Machine The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line Perpendicular to line as per (A) Joining the corresponding points Not possible to determine with these data At 45° to line as per (A) Perpendicular to line as per (A) Joining the corresponding points Not possible to determine with these data At 45° to line as per (A) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The rotating shafts tend to vibrate violently at whirling speeds because The shafts are rotating at very high speeds Resonance is caused due to the heavy mass of the rotor The system is unbalanced Bearing centre line coincides with the axis The shafts are rotating at very high speeds Resonance is caused due to the heavy mass of the rotor The system is unbalanced Bearing centre line coincides with the axis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by ω² R cosθ ω² r₁ sinθ ω² (R - r₁) sinθ ω² (R - r₁) cosθ ω² R cosθ ω² r₁ sinθ ω² (R - r₁) sinθ ω² (R - r₁) cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between number of pairs (p) forming a kinematic chain and the number of links (l) is l = 2p - 3 l = 2p - 4 l = 2p - 2 l = 2p - 5 l = 2p - 3 l = 2p - 4 l = 2p - 2 l = 2p - 5 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In elliptical trammels Two pairs turning and two pairs sliding All four pairs are turning One pair turning and three pairs sliding Three pairs turning and one pair sliding Two pairs turning and two pairs sliding All four pairs are turning One pair turning and three pairs sliding Three pairs turning and one pair sliding ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the speed of the engine fluctuates continuously above and below the mean speed, the governor is said to be Stable Hunt Unstable Isochronous Stable Hunt Unstable Isochronous ANSWER DOWNLOAD EXAMIANS APP
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