Theory of Machine Angular acceleration of a link can be determined by dividing the Resultant acceleration with length of link Centripetal component of acceleration with length of link Tangential component of acceleration with length of link All of these Resultant acceleration with length of link Centripetal component of acceleration with length of link Tangential component of acceleration with length of link All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A kinematic chain is known as a mechanism when Two of the links are fixed One of the links is fixed None of the links is fixed None of these Two of the links are fixed One of the links is fixed None of the links is fixed None of these 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 Logarithmic decrement Magnification factor Damping factor Damping coefficient Logarithmic decrement Magnification factor Damping factor Damping coefficient ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Governor is used in automobile to Maintain constant engine speed Maximize the fuel economy Limit the vehicle speed Decrease the variation of speed Maintain constant engine speed Maximize the fuel economy Limit the vehicle speed Decrease the variation of speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Sense of tangential acceleration of a link Could be either same or opposite to velocity Is perpendicular to that of velocity Is same as that of velocity Is opposite to that of velocity Could be either same or opposite to velocity Is perpendicular to that of velocity Is same as that of velocity Is opposite to that of velocity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The primary 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 cosθ m.ω².r (sin 2θ/n) m.ω².r sinθ m.ω².r (cos 2θ/n) m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP