Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.4 0.6 0.8 0.2 0.4 0.6 0.8 0.2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham’s coupling is an inversion of the kinematic chain used in Rotary engine Elliptical trammels Universal joint Whitworth quick return mechanism Rotary engine Elliptical trammels Universal joint Whitworth quick return mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as Sliding pair Spherical pair Rolling pair Turning pair Sliding pair Spherical pair Rolling pair Turning pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a point moves along a straight line, its acceleration will have Tangential component only Coriolis component only Radial component only Radial and tangential components both Tangential component only Coriolis component only Radial component only Radial and tangential components both ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Under logarithmic decrement, the amplitude of successive vibrations are In arithmetic progression In logarithmic progression Constant In geometric progression In arithmetic progression In logarithmic progression Constant In geometric progression 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 (sin 2θ/n) 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 ANSWER DOWNLOAD EXAMIANS APP
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