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 ωr₁ sinθ ωR cosθ ω(R - r₁) cosθ ω(R - r₁) sinθ ωr₁ sinθ ωR cosθ ω(R - r₁) cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In S.H.M., the velocity vector w.r.t. displacement vector Leads by 180° Leads by 90° Lags by 90° Are in phase Leads by 180° Leads by 90° Lags by 90° Are in phase ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which one of the following is an exact straight line mechanism using lower pairs? Watt’s mechanism Peaucellier’s mechanism Robert’s mechanism Grasshopper mechanism Watt’s mechanism Peaucellier’s mechanism Robert’s mechanism Grasshopper mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) ω × 2π ω/2π 2π/ω π/ω ω × 2π ω/2π 2π/ω π/ω 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 ________ is an inversion of Double slider crank chain. Coupling rod of a locomotive Scotch yoke mechanism Hand pump Reciprocating engine Coupling rod of a locomotive Scotch yoke mechanism Hand pump Reciprocating engine ANSWER DOWNLOAD EXAMIANS APP
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