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) l₁ = kG l₁l₂ = kG² l₂ = kG l₁l₂ = kG l₁ = kG l₁l₂ = kG² l₂ = kG l₁l₂ = kG ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A ball and a socket forms a Screw pair Rolling pair Turning pair Spherical pair Screw pair Rolling pair Turning pair Spherical pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The dynamic friction is the friction experienced by a body, when the body Is in motion None of these Is at rest Just begins to slide over the surface of the other body Is in motion None of these Is at rest Just begins to slide over the surface of the other body ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A) v²BA v²BA /AB vBA × AB vBA /AB v²BA v²BA /AB vBA × AB vBA /AB ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lead screw of a lathe with nut forms a Sliding pair Screw pair Turning pair Rolling pair Sliding pair Screw pair Turning pair Rolling pair 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 sinθ m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
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