Theory of Machine In a system subjected to damped forced vibrations, the ratio of maximum displacement to the static deflection is known as Damping factor Logarithmic decrement Critical damping ratio Magnification factor Damping factor Logarithmic decrement Critical damping ratio Magnification factor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The unbalanced force due to reciprocating masses Constant in magnitude and direction both Varies in magnitude and direction both Varies in magnitude but constant in direction Varies in direction but constant in magnitude Constant in magnitude and direction both Varies in magnitude and direction both Varies in magnitude but constant in direction Varies in direction but constant in magnitude ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The centre of gravity of a coupler link in a four bar mechanism will experience No acceleration Only linear acceleration Only angular acceleration Both linear and angular acceleration No acceleration Only linear acceleration Only angular acceleration Both linear and angular acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of completely constrained motion is a All of these Motion of a shaft with collars at each end in a circular hole Motion of a square bar in a square hole Motion of a piston in the cylinder of a steam engine All of these Motion of a shaft with collars at each end in a circular hole Motion of a square bar in a square hole Motion of a piston in the cylinder of a steam engine 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 Which of the following is a spring controlled governor? Hartnell governor All of these Wilson-Hartnell governor Hartung governor Hartnell governor All of these Wilson-Hartnell governor Hartung governor ANSWER DOWNLOAD EXAMIANS APP
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