Theory of Machine If two moving elements have surface contact in motion, such pair is known as Surface pair Rolling pair Higher pair Sliding pair Surface pair Rolling pair Higher pair Sliding pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The unbalanced force due to revolving masses Varies in direction but constant in magnitude Varies in magnitude but constant in direction Varies in magnitude and direction both Constant in magnitude and direction both Varies in direction but constant in magnitude Varies in magnitude but constant in direction Varies in magnitude and direction both Constant in magnitude and direction both ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The component of the acceleration, perpendicular to the velocity of the particle, at the given instant is called Coriolis component Tangential component Radial component None of these Coriolis component Tangential component Radial component 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 (sin 2θ/n) m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r sinθ m.ω².r (sin 2θ/n) m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The absolute acceleration of any point ‘P’ in a link about center of rotation ‘O’ is None of the listed here Perpendicular to PO Along PO At 45° to PO None of the listed here Perpendicular to PO Along PO At 45° to PO ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by ω(R - r₁) cosθ ωR cosθ ωr₁ sinθ ω(R - r₁) sinθ ω(R - r₁) cosθ ωR cosθ ωr₁ sinθ ω(R - r₁) sinθ ANSWER DOWNLOAD EXAMIANS APP
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