Theory of Machine In involute gears, the pressure angle is Always variable Dependent on the size of teeth Always constant Dependent on the size of gears Always variable Dependent on the size of teeth Always constant Dependent on the size of gears ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the inner dead center, in a reciprocating steam engine, then the acceleration of the piston will be ω²r. (n - 1)/n ω²r. (n + 1)/n ω²r. n/(n + 1) ω²r. n/(n - 1) ω²r. (n - 1)/n ω²r. (n + 1)/n ω²r. n/(n + 1) ω²r. n/(n - 1) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction is useful to determine Acceleration of various parts Displacement of various parts Velocity of various parts Angular acceleration of various parts Acceleration of various parts Displacement of various parts Velocity of various parts Angular acceleration of various parts 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 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) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the opposite links of a four bar linkage are equal, the links will always form a Pentagon Parallelogram Rectangle Triangle Pentagon Parallelogram Rectangle Triangle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pairs are _________ pairs. Self-closed Force-closed Friction closed None of these Self-closed Force-closed Friction closed None of these ANSWER DOWNLOAD EXAMIANS APP