Theory of Machine A rigid body possesses ________degrees of freedom Four One Two Six Four One Two Six 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 (sin 2θ/n) 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) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a pantograph, all the pairs are Spherical pairs Sliding pairs Self-closed pairs Turning pairs Spherical pairs Sliding pairs Self-closed pairs Turning pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively, is Zero and maximum Maximum and zero Minimum and maximum Zero and minimum Zero and maximum Maximum and zero Minimum and maximum Zero and minimum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The fundamental equation for correct steering is (where φ and α = Angle through which the axis of the outer wheel and inner wheel turns respectively, c = Distance between the pivots of the front axles, and d = Wheel base) tanφ + cotα = b/c cosφ - sinα = c/b cotφ - cotα = c/b sinφ + sinα = b/c tanφ + cotα = b/c cosφ - sinα = c/b cotφ - cotα = c/b sinφ + sinα = b/c ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The train value of a gear train is Always less than unity Always greater than unity Reciprocal of velocity ratio of a gear train Equal to velocity ratio of a gear train Always less than unity Always greater than unity Reciprocal of velocity ratio of a gear train Equal to velocity ratio of a gear train ANSWER DOWNLOAD EXAMIANS APP