Theory of Machine If the number of links in a mechanism is equal to l, then the numbers of possible inversions are equal to l + 1 l - 2 l - 1 l l + 1 l - 2 l - 1 l ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The displacement of a flat faced follower when it has contact with the flank of a circular arc cam, is given by (where R = Radius of flank, r₁ = Minimum radius of the cam, and θ = Angle turned through by the cam) (R - r₁) (1 - cosθ) R (1 - sinθ) (R - r₁) (1 - sinθ) R (1 - cosθ) (R - r₁) (1 - cosθ) R (1 - sinθ) (R - r₁) (1 - sinθ) R (1 - cosθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A ball and a socket forms a Rolling pair Spherical pair Screw pair Turning pair Rolling pair Spherical pair Screw pair Turning pair 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 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) m.ω².r (cos 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism is Data is not sufficient to determine same Not sound Soundness would depend upon which link is kept fixed Kinematically sound Data is not sufficient to determine same Not sound Soundness would depend upon which link is kept fixed Kinematically sound ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In involute gears, the pressure angle is Dependent on the size of teeth Always constant Always variable Dependent on the size of gears Dependent on the size of teeth Always constant Always variable Dependent on the size of gears ANSWER DOWNLOAD EXAMIANS APP
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