Theory of Machine When the crank is at the inner dead center, in a reciprocating steam engine, then the acceleration of the piston will be ω²r. (n + 1)/n ω²r. n/(n - 1) ω²r. n/(n + 1) ω²r. (n - 1)/n ω²r. (n + 1)/n ω²r. n/(n - 1) ω²r. n/(n + 1) ω²r. (n - 1)/n ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The locus of a point on a thread unwound from a cylinder will be Cycloidal A straight line A circle Involute Cycloidal A straight line A circle Involute ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The centre of gravity of a coupler link in a four bar mechanism will experience Only linear acceleration No acceleration Only angular acceleration Both linear and angular acceleration Only linear acceleration No acceleration Only angular acceleration Both linear and angular acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Open pairs are those which have 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 Two elements that permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A ball and a socket forms a Rolling pair Turning pair Spherical pair Screw pair Rolling pair Turning pair Spherical pair Screw pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A single degree of freedom system is given by, m × (d²x/dt²) + c × (dx/dt) + sx = F.cosω.t with usual notations. It represents Forced vibration without damping Free vibration with damping Free vibration without damping Forced vibration with damping Forced vibration without damping Free vibration with damping Free vibration without damping Forced vibration with damping ANSWER DOWNLOAD EXAMIANS APP
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