Theory of Machine The method of obtaining different mechanisms by fixing in turn different links in a kinematic chain, is known as Machine Inversion Compound mechanism Structure Machine Inversion Compound mechanism Structure ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction is useful to determine Acceleration of various parts Angular acceleration of various parts Displacement of various parts Velocity of various parts Acceleration of various parts Angular acceleration of various parts Displacement of various parts Velocity of various parts ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an example of a higher pair? Ball and roller bearing Belt and rope drive Toothed gearing All of the listed here Ball and roller bearing Belt and rope drive Toothed gearing All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is 5,367 r.p.m. 9,360 r.p.m. 6,000 r.p.m. 12,000 r.p.m. 5,367 r.p.m. 9,360 r.p.m. 6,000 r.p.m. 12,000 r.p.m. 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 (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) m.ω².r cosθ m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP
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 Lower pair Self-closed pair Higher pair Force-closed pair Lower pair Self-closed pair Higher pair ANSWER DOWNLOAD EXAMIANS APP