Theory of Machine The velocity of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by ω(R - r₁) sinθ ωR cosθ ωr₁ sinθ ω(R - r₁) cosθ ω(R - r₁) sinθ ωR cosθ ωr₁ sinθ ω(R - r₁) cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the primary direct crank of a reciprocating engine makes an angle of 'θ' with the line of stroke, then the secondary direct crank will make an angle of _________ with the line of stroke. θ θ/2 2θ 4θ θ θ/2 2θ 4θ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The power of a Porter governor is equal to [4c²/(1 + 2c)] (m + M) g.h [2c²/(1 + 2c)] (m + M) g.h [c²/(1 + 2c)] (m + M) g.h [3c²/(1 + 2c)] (m + M) g.h [4c²/(1 + 2c)] (m + M) g.h [2c²/(1 + 2c)] (m + M) g.h [c²/(1 + 2c)] (m + M) g.h [3c²/(1 + 2c)] (m + M) g.h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Open pairs are those which have Two elements that permit relative motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Point or line contact between the two elements when in motion Two elements that permit relative motion Elements of pairs not held together mechanically Surface contact between the two elements when in motion Point or line contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
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 Not possible to determine with these data At 45° to line as per (A) Joining the corresponding points Perpendicular to line as per (A) Not possible to determine with these data At 45° to line as per (A) Joining the corresponding points Perpendicular to line as per (A) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves upwards, the governor speed Decreases Increases Remain unaffected First increases and then decreases Decreases Increases Remain unaffected First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
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