Theory of Machine The maximum efficiency of spiral gears is (where θ = Shaft angle, and φ = Friction angle) cos (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 cos (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ sin (θ + φ) + 1 sin (θ + φ) + 1/ cos (θ - φ) + 1 cos (θ - φ) + 1/ cos (θ + φ) + 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A spring controlled governor is said to be unstable when the controlling force Increases as the radius of rotation increases Decreases as the radius of rotation increases Increases as the radius of rotation decreases Remains constant for all radii of rotation Increases as the radius of rotation increases Decreases as the radius of rotation increases Increases as the radius of rotation decreases Remains constant for all radii of rotation 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) sinθ ω² (R - r₁) cosθ ω² r₁ sinθ ω² R cosθ ω² (R - r₁) sinθ ω² (R - r₁) cosθ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Davis steering gear consists of Sliding pairs Turning pairs Higher pairs Rolling pairs Sliding pairs Turning pairs Higher pairs Rolling pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of links in pantograph mechanism is equal to 2 4 3 5 2 4 3 5 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine It is required to connect two parallel shafts, the distance between whose axes is small and variable. The shafts are coupled by Universal joint Flexible coupling Oldham's coupling Knuckle joint Universal joint Flexible coupling Oldham's coupling Knuckle joint ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS