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 with damping Free vibration without damping Forced vibration without damping Free vibration with damping Forced vibration with damping Free vibration without damping Forced vibration without damping Free vibration with damping ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a pendulum type governor? Hartnell governor Porter governor Watt governor None of these Hartnell governor Porter governor Watt governor None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Instantaneous center of rotation of a link in a four bar mechanism lies on Right side pivot of this link Can’t occur A point obtained by intersection on extending adjoining links Left side pivot of this link Right side pivot of this link Can’t occur A point obtained by intersection on extending adjoining links Left side pivot of this link ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the relation between the controlling force (Fc) and radius of rotation (r) for a spring controlled governor is Fc = ar + b, then the governor will be Unstable Stable None of these Isochronous Unstable Stable None of these Isochronous ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum or minimum value of the swaying couple is ± (a/√2) (1 - c) m.ω².r ± a (1 - c) m.ω².r ± c.m.ω².r ± 2a (1 - c) m.ω².r ± (a/√2) (1 - c) m.ω².r ± a (1 - c) m.ω².r ± c.m.ω².r ± 2a (1 - c) m.ω².r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For fluctuating loads, well suited bearing is Ball bearing Needle roller bearing Thrust bearing Roller bearing Ball bearing Needle roller bearing Thrust bearing Roller bearing ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS