Theory of Machine A shaft carrying three rotors will have Two nodes One node No node Three nodes Two nodes One node No node Three nodes ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The danger of breakage and vibration is maximum Above the critical speed Below the critical speed Near the critical speed None of these Above the critical speed Below the critical speed Near the critical speed None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the radius of gyration of a compound pendulum about an axis through e.g. is more, then its frequency of oscillation will be More Same Data are insufficient to determine same Less More Same Data are insufficient to determine same Less ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's diagram is useful to find Velocity of various parts Displacement of various parts Acceleration of various parts Angular acceleration of various parts Velocity of various parts Displacement of various parts Acceleration of various parts Angular acceleration of various parts ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary 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 (cos 2θ/n) 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) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin) Iω² (1/2). I ω ωP (1/2).Iω² I ω ωP Iω² (1/2). I ω ωP (1/2).Iω² I ω ωP ANSWER DOWNLOAD EXAMIANS APP
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