Theory of Machine When the two elements of a pair have a surface contact when relative motion takes place and the surface of one element slides over the surface of the other, the pair formed is known as a Force-closed pair Higher pair Lower pair Self-closed pair Force-closed pair Higher pair Lower pair Self-closed pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The method of direct and reverse cranks is used in engines for Balancing of forces and couples The control of speed fluctuations Vibration analysis Kinematic analysis Balancing of forces and couples The control of speed fluctuations Vibration analysis Kinematic analysis 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 cosθ m.ω².r sinθ m.ω².r (sin 2θ/n) m.ω².r (cos 2θ/n) m.ω².r cosθ m.ω².r sinθ m.ω².r (sin 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an ideal machine, the output as compared to input is More Equal Less May be less or more depending on efficiency More Equal Less May be less or more depending on efficiency ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an example of a higher pair? Toothed gearing Belt and rope drive All of the listed here Ball and roller bearing Toothed gearing Belt and rope drive All of the listed here Ball and roller bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point on a link connecting double slider crank chain traces a Parabola Circle Ellipse Hyperbola Parabola Circle Ellipse Hyperbola ANSWER DOWNLOAD EXAMIANS APP
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