Theory of Machine The instantaneous centers which vary with the configuration of mechanism are called Fixed instantaneous centers None of these Permanent instantaneous centers Neither fixed nor permanent instantaneous centers Fixed instantaneous centers None of these Permanent instantaneous centers Neither fixed nor permanent instantaneous centers ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angular acceleration of a link can be determined by dividing the Tangential component of acceleration with length of link Centripetal component of acceleration with length of link All of these Resultant acceleration with length of link Tangential component of acceleration with length of link Centripetal component of acceleration with length of link All of these Resultant acceleration with length of link ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force due to inertia of reciprocating parts in a reciprocating engine is given by (where m = Mass of reciprocating parts, ω = Angular speed of crank, r = Radius of crank, θ = Angle of inclination of crank with the line of stroke, and n = Ratio of the length of connecting rod to radius of crank) m.ω².r cosθ m.ω².r sinθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r cosθ m.ω².r sinθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ‘D₁’ and ‘D₂’ be the diameters of driver and driven pulleys, then belt speed is proportional to D₁/D₂ D₂/D₁ D₁ D₁.D₂ D₁/D₂ D₂/D₁ D₁ D₁.D₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Transmission angle is the angle between Input link and coupler Output link and coupler Output link and fixed link Input link and fixed link Input link and coupler Output link and coupler Output link and fixed link Input link and fixed link 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 without damping Forced vibration with damping Free vibration with damping Forced vibration without damping Free vibration without damping Forced vibration with damping Free vibration with damping ANSWER DOWNLOAD EXAMIANS APP
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