Theory of Machine The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in Longitudinal vibrations Transverse vibrations Torsional vibrations All of these Longitudinal vibrations Transverse vibrations Torsional vibrations All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mechanism _________ for transmitting or transforming motion. None of these Unpredictable Can be used Can not be used None of these Unpredictable Can be used Can not be used ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of maximum fluctuation of energy to the work-done per cycle is called None of these Coefficient of fluctuation of energy Maximum fluctuation of energy Fluctuation of energy None of these Coefficient of fluctuation of energy Maximum fluctuation of energy Fluctuation of energy ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a four bar chain or quadric cycle chain Three are turning pairs and one is a sliding pair Each of the four pairs is a turning pair Two are turning pairs and two are sliding pairs One is a turning pair and three are sliding pairs Three are turning pairs and one is a sliding pair Each of the four pairs is a turning pair Two are turning pairs and two are sliding pairs One is a turning pair and three are sliding pairs 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 I ω ωP (1/2).Iω² Iω² (1/2). I ω ωP I ω ωP (1/2).Iω² ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by ω² (R - r₁) cosθ ω² r₁ sinθ ω² R cosθ ω² (R - r₁) sinθ ω² (R - r₁) cosθ ω² r₁ sinθ ω² R cosθ ω² (R - r₁) sinθ ANSWER DOWNLOAD EXAMIANS APP
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