Theory of Machine The method of obtaining different mechanisms by fixing in turn different links in a kinematic chain, is known as Structure Machine Inversion Compound mechanism Structure Machine Inversion Compound mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Under logarithmic decrement, the amplitude of successive vibrations are In logarithmic progression Constant In geometric progression In arithmetic progression In logarithmic progression Constant In geometric progression In arithmetic progression ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance from 60°-70° 70°- 80° 80°- 90° 50°- 60° 60°-70° 70°- 80° 80°- 90° 50°- 60° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become fn/2 2 fn 8 fn 4 fn fn/2 2 fn 8 fn 4 fn 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 (sin 2θ/n) m.ω².r sinθ m.ω².r (cos 2θ/n) m.ω².r cosθ m.ω².r (sin 2θ/n) m.ω².r sinθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radial distance of a tooth from the pitch circle to the bottom of the tooth is called Addendum Working depth Dedendum Clearance Addendum Working depth Dedendum Clearance ANSWER DOWNLOAD EXAMIANS APP
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