Theory of Machine If the number of links in a mechanism is equal to l, then the numbers of possible inversions are equal to l l - 2 l + 1 l - 1 l l - 2 l + 1 l - 1 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) 0.6253/ √δS 0.4985/ √δS 0.571/ √δS 0.5615/ √δS 0.6253/ √δS 0.4985/ √δS 0.571/ √δS 0.5615/ √δS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A circle passing through the pitch point with its center at the center of cam axis is known as Outer circle Prime circle Base circle Pitch circle Outer circle Prime circle Base circle Pitch circle ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The two links OA and OB are connected by a pin joint at O. If the link OA turns with angular velocity ω₁ rad/s in the clockwise direction and the link OB turns with angular velocity ω₂ rad/s in the anticlockwise direction, then the rubbing velocity at the pin joint O is (where r = Radius of the pin at O) (ω₁ + ω₂) r (ω₁ - ω₂) 2r ω₁.ω₂.r (ω₁ - ω₂) r (ω₁ + ω₂) r (ω₁ - ω₂) 2r ω₁.ω₂.r (ω₁ - ω₂) r ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than 0.25 0.5 1 2 0.25 0.5 1 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass. To obtain complete dynamic balance, the minimum number of balancing weights to be introduced in different planes is 4 2 1 3 4 2 1 3 ANSWER DOWNLOAD EXAMIANS APP