Theory of Machine Torsional vibrations are said to occur when the particles of a body moves None of these Perpendicular to its axis Parallel to its axis In a circle about its axis None of these Perpendicular to its axis Parallel to its axis In a circle about its axis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The engine of an aeroplane rotates in clockwise direction when seen from the tail end and the aeroplane takes a turn to the left. The effect of gyroscopic couple on the aeroplane will be To raise the nose and dip the tail To dip the nose and raise the tail To dip the nose and tail To raise the nose and tail To raise the nose and dip the tail To dip the nose and raise the tail To dip the nose and tail To raise the nose and tail ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Governor is used in automobile to 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 Maintain constant engine speed Maximize the fuel economy 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 cosθ m.ω².r sinθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r cosθ m.ω².r sinθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The condition for correct steering of a Davis steering gear is (where α = Angle of inclination of the links to the vertical) tanα = c/2b cosα = c/b cotα = c/2b sinα = b/c tanα = c/2b cosα = c/b cotα = c/2b sinα = b/c ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of links in pantograph mechanism is equal to 2 5 3 4 2 5 3 4 ANSWER DOWNLOAD EXAMIANS APP
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