Theory of Machine Minimum number of teeth for involute rack and pinion arrangement for pressure angle of 20° is 30 34 10 20 30 34 10 20 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 (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r sinθ m.ω².r cosθ m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) m.ω².r sinθ m.ω².r cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Torsional vibrations are said to occur when the particles of a body moves None of these Parallel to its axis Perpendicular to its axis In a circle about its axis None of these Parallel to its axis Perpendicular to its axis In a circle about its axis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a locomotive, the maximum magnitude of the unbalanced force along the perpendicular to the line of stroke, is known as None of these Swaying couple Tractive force Hammer blow None of these Swaying couple Tractive force Hammer blow 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/(n + 1) ω²r. n/(n - 1) ω²r. (n - 1)/n ω²r. (n + 1)/n ω²r. n/(n + 1) ω²r. n/(n - 1) ω²r. (n - 1)/n ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whitworth quick return mechanism is obtained by inversion of Roller cam mechanism Five link mechanism Kinematic chain Slider crank mechanism Roller cam mechanism Five link mechanism Kinematic chain Slider crank mechanism ANSWER DOWNLOAD EXAMIANS APP
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