Theory of Machine Which of the following is an open pair? Cam and follower Journal bearing Lead screw and nut Ball and socket joint Cam and follower Journal bearing Lead screw and nut Ball and socket joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as Damping coefficient Damping factor Logarithmic decrement Magnification factor Damping coefficient Damping factor Logarithmic decrement Magnification factor 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 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) m.ω².r (cos 2θ/n) m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For an isochronous Hartnell governor (where r₁ and r₂ = Maximum and minimum radius of rotation of balls respectively, S₁ and S₂ = Maximum and minimum force exerted on the sleeve respectively, and M = Mass on the sleeve) S₂/S₁ = r₁/r₂ S₁/S₂ = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ (m.g + S₁)/(m.g + S₂) = r₁/r₂ S₂/S₁ = r₁/r₂ S₁/S₂ = r₁/r₂ (m.g - S₁)/(m.g - S₂) = r₂/r₁ (m.g + S₁)/(m.g + S₂) = r₁/r₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an example of a higher pair? All of the listed here Toothed gearing Belt and rope drive Ball and roller bearing All of the listed here Toothed gearing Belt and rope drive Ball and roller bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In elliptical trammels Three pairs turning and one pair sliding Two pairs turning and two pairs sliding One pair turning and three pairs sliding All four pairs are turning Three pairs turning and one pair sliding Two pairs turning and two pairs sliding One pair turning and three pairs sliding All four pairs are turning ANSWER DOWNLOAD EXAMIANS APP