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 0.6 0.4 0.8 0.2 0.6 0.4 0.8 0.2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free transverse vibrations due to uniformly distributed load acting over a simply supported shaft is (where δS = Static deflection of simply supported shaft due to uniformly distributed load) 0.4985/ √δS 0.571/ √δS 0.6253/ √δS 0.5615/ √δS 0.4985/ √δS 0.571/ √δS 0.6253/ √δS 0.5615/ √δS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of sliding of meshing gear teeth is(Where ω₁ and ω₂ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point) (ω₁ + ω₂) y (ω₁ × ω₂) y (ω₁ + ω₂)/y (ω₁/ω₂) y (ω₁ + ω₂) y (ω₁ × ω₂) y (ω₁ + ω₂)/y (ω₁/ω₂) y ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A torsional system with discs of moment of inertia I₁ and I₂ as shown in the below figure, is gear driven such that the ratio of speed of shaft B to shaft A is 'G'. Neglecting the inertia of gears, the equivalent inertia of disc on shaft B at the speed of shaft A is equal to G².I₂ I₂/G G.I₂ I₂/G² G².I₂ I₂/G G.I₂ I₂/G² ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine ________ is an inversion of Double slider crank chain. Scotch yoke mechanism Hand pump Coupling rod of a locomotive Reciprocating engine Scotch yoke mechanism Hand pump Coupling rod of a locomotive Reciprocating engine ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by 2ECS 2E²CS EC S/2 2ECS² 2ECS 2E²CS EC S/2 2ECS² ANSWER DOWNLOAD EXAMIANS APP
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