Theory of Machine The dynamic friction is the friction experienced by a body, when the body None of these Just begins to slide over the surface of the other body Is at rest Is in motion None of these Just begins to slide over the surface of the other body Is at rest Is in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A cam with a roller follower would constitute following type of pair Close pair Lower pair Open pair Higher pair Close pair Lower pair Open pair Higher pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Cylindrical cams can be classified as None of these Reciprocating Tangent Circular None of these Reciprocating Tangent Circular ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a multiple V-belt drive, if one of the belts is broken, then we should replace All the belts The broken belt and the belts on either side of it The broken belt only None of these All the belts The broken belt and the belts on either side of it The broken belt only None of these 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 (cos 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (sin 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Tangential acceleration direction is Opposite to angular velocity Perpendicular to angular velocity May be any one of these Along the angular velocity Opposite to angular velocity Perpendicular to angular velocity May be any one of these Along the angular velocity ANSWER DOWNLOAD EXAMIANS APP