Theory of Machine Which of the following disciplines provides study of inertia forces arising from the combined effect of the mass and the motion of the parts? Kinetics Theory of machines Mechanisms Applied mechanics Kinetics Theory of machines Mechanisms Applied mechanics ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Instantaneous center of rotation of a link in a four bar mechanism lies on Right side pivot of this link A point obtained by intersection on extending adjoining links Can’t occur Left side pivot of this link Right side pivot of this link A point obtained by intersection on extending adjoining links Can’t occur Left side pivot of this link 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 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 In full depth involute system, the smallest number of teeth in a pinion which meshes with rack without interference is 25 12 32 16 25 12 32 16 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ = Coefficient of friction, W = Load over the bearing, and R = Radius of bearing surface) (2/3) μ W R μ W R (3/4) μ W R (1/2) μ W R (2/3) μ W R μ W R (3/4) μ W R (1/2) μ W R ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following would constitute a link? Piston, piston rod and cross head Piston and piston rod Piston rod and cross head Piston, crank pin and crank shaft Piston, piston rod and cross head Piston and piston rod Piston rod and cross head Piston, crank pin and crank shaft ANSWER DOWNLOAD EXAMIANS APP
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