Theory of Machine The essential condition of placing the two masses, so that the system becomes dynamically equivalent, is (where l₁ and l₂ = Distance of two masses from the centre of gravity of the body, and kG = Radius of gyration of the body) l₂ = kG l₁l₂ = kG² l₁ = kG l₁l₂ = kG l₂ = kG l₁l₂ = kG² l₁ = kG l₁l₂ = kG ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The equation of free vibrations of a system is (d²x/dt²) +36 π²x, its natural frequency is 6 Hz 3 Hz 6π Hz 3π Hz 6 Hz 3 Hz 6π Hz 3π Hz ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The driving and driven shafts connected by a Hooke's joint will have equal speeds, if cotθ = cosα tanθ = ± cosα cosθ = sinα sinθ = ± tanα cotθ = cosα tanθ = ± cosα cosθ = sinα sinθ = ± tanα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a ball bearing, ball and bearing forms a Screw pair Spherical pair Turning pair Rolling pair Screw pair Spherical pair Turning pair Rolling pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's diagram is useful to find Acceleration of various parts Displacement of various parts Velocity of various parts Angular acceleration of various parts Acceleration of various parts Displacement of various parts Velocity of various parts Angular acceleration of various parts ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The unbalanced primary forces in a reciprocating engine are Not balanced Balanced completely Balanced partially Balanced by secondary forces Not balanced Balanced completely Balanced partially Balanced by secondary forces ANSWER DOWNLOAD EXAMIANS APP
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