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 2 fn fn/2 4 fn 8 fn 2 fn fn/2 4 fn 8 fn 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 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 m.ω².r (cos 2θ/n) m.ω².r (sin 2θ/n) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to 90° and 180° 180° and 270° 270° and 360° 45° and 225° 90° and 180° 180° and 270° 270° and 360° 45° and 225° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The moment on the pulley which produces rotation is called Inertia Momentum Torque Moment of momentum Inertia Momentum Torque Moment of momentum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Scotch yoke mechanism is used to generate Square roots Sine functions Inversions Logarithms Square roots Sine functions Inversions Logarithms ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Bifilar suspension method is used to find the Periodic time of the body Angular acceleration of the body Frequency of vibration of the body Moment of inertia of the body Periodic time of the body Angular acceleration of the body Frequency of vibration of the body Moment of inertia of the body ANSWER DOWNLOAD EXAMIANS APP
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