Theory of Machine For an involute gear, the ratio of base circle radius and pitch circle radius is equal to cosφ cosecφ secφ sinφ cosφ cosecφ secφ sinφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The displacement of the reciprocating roller follower, when it has contact with the straight flanks of the tangent cam, is given by (where r₁ = Minimum radius of the cam, r₂ = Radius of the roller follower, and θ = Angle turned by the cam from the beginning of the follower displacement) (r₁ - r₂) (1 - cosθ) (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) (1 + cosθ) (r₁ - r₂) (1 - cosθ) (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) (1 + cosθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an open pair, the two elements of a pair Are not held together mechanically Have a surface contact when in motion Have a line or point contact when in motion Are kept in contact by the action of external forces, when in motion Are not held together mechanically Have a surface contact when in motion Have a line or point contact when in motion Are kept in contact by the action of external forces, when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radial distance of a tooth from the pitch circle to the bottom of the tooth is called Addendum Clearance Working depth Dedendum Addendum Clearance Working depth Dedendum ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component is encountered in Slider crank mechanism Both (A) and (C) above Quick return mechanism of shaper Four bar chain mechanism Slider crank mechanism Both (A) and (C) above Quick return mechanism of shaper Four bar chain mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A combination of kinematic pairs, joined in such a way that the relative motion between the links is completely constrained, is called a Mechanism Inversion Kinematic chain Structure Mechanism Inversion Kinematic chain Structure ANSWER DOWNLOAD EXAMIANS APP