Theory of Machine The secondary unbalanced force is __________ the primary unbalanced force. 1/n times Two-third n times One-half 1/n times Two-third n times One-half ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism consisting of three turning pairs and one sliding pair, is called a Crank and slotted lever quick return motion mechanism Single slider crank chain Whitworth quick return motion mechanism All of these Crank and slotted lever quick return motion mechanism Single slider crank chain Whitworth quick return motion mechanism All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A Porter governor is a Pendulum type governor Inertia governor Spring loaded governor Dead weight governor Pendulum type governor Inertia governor Spring loaded governor Dead weight governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Creep in belt drive is due to Larger size of the driver pulley Uneven extensions and contractions due to varying tension Material of the belt Material of the pulley Larger size of the driver pulley Uneven extensions and contractions due to varying tension Material of the belt Material of the pulley 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 (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 m.ω².r (sin 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disc is a spinning with an angular velocity ω rad/s about the axis of spin. The couple applied to the disc causing precession will be (where I = Mass moment of inertia of the disc, and ωP = Angular velocity of precession of the axis of spin) Iω² (1/2). I ω ωP I ω ωP (1/2).Iω² Iω² (1/2). I ω ωP I ω ωP (1/2).Iω² ANSWER DOWNLOAD EXAMIANS APP
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