Theory of Machine In a Hartnell governor, the lift of the sleeve is given by (where r₁ and r₂ = Max. and min. radii of rotation, x = Length of ball arm of the lever, and y = Length of sleeve arm of the lever) (r₁ - r₂) (x/y) (r₁ - r₂) (y/x) (r₁ + r₂) (x/y) (r₁ + r₂) (y/x) (r₁ - r₂) (x/y) (r₁ - r₂) (y/x) (r₁ + r₂) (x/y) (r₁ + r₂) (y/x) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Coriolis component of acceleration is taken into account for Four bar chain mechanism Quick return motion mechanism All of these Slider crank mechanism Four bar chain mechanism Quick return motion mechanism All of these Slider crank mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If some links are connected such that motion between them can take place in more than one direction, it is called Incompletely constrained motion Successfully constrained motion Partially constrained motion Completely constrained motion Incompletely constrained motion Successfully constrained motion Partially constrained motion Completely constrained motion 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 2ECS² EC S/2 2E²CS 2ECS 2ECS² EC S/2 2E²CS ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to To start the locomotive quickly Have perfect balancing Minimize the effect of secondary forces Minimize the effect of primary forces To start the locomotive quickly Have perfect balancing Minimize the effect of secondary forces Minimize the effect of primary forces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by ω² r₁ sinθ ω² R cosθ ω² (R - r₁) cosθ ω² (R - r₁) sinθ ω² r₁ sinθ ω² R cosθ ω² (R - r₁) cosθ ω² (R - r₁) sinθ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS