Theory of Machine The acceleration of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by ω². (r₁ - r₂). (1 - sin² θ) ω². (r₁ + r₂). (1 + cos² θ) ω². (r₁ r₂). (1 - cos² θ) ω². (r₁ + r₂). [(2 - cos² θ)/cos³ θ] ω². (r₁ - r₂). (1 - sin² θ) ω². (r₁ + r₂). (1 + cos² θ) ω². (r₁ r₂). (1 - cos² θ) ω². (r₁ + r₂). [(2 - cos² θ)/cos³ θ] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Kutzbach criterion for determining the number of degrees of freedom (n) is (where l = number of links, j = number of joints and h = number of higher pairs) n = 3(l - 1) - 2j - h n = 2(l - 1) - 3j - h n = 3(l - 1) - 3j - h n = 2(l - 1) - 2j - h n = 3(l - 1) - 2j - h n = 2(l - 1) - 3j - h n = 3(l - 1) - 3j - h n = 2(l - 1) - 2j - h ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Instantaneous center of rotation of a link in a four bar mechanism lies on Left side pivot of this link Can’t occur Right side pivot of this link A point obtained by intersection on extending adjoining links Left side pivot of this link Can’t occur Right side pivot of this link A point obtained by intersection on extending adjoining links ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Whitworth quick return motion mechanism is formed in a slider crank chain when the Slider is a fixed link Coupler link is fixed Smallest link is a fixed link Longest link is a fixed link Slider is a fixed link Coupler link is fixed Smallest link is a fixed link Longest link is a fixed link ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanism is obtained from lower pair? All of these Gyroscope Pantograph Valve and valve gears All of these Gyroscope Pantograph Valve and valve gears ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A point on a link connecting double slider crank chain traces a Hyperbola Ellipse Parabola Circle Hyperbola Ellipse Parabola Circle ANSWER DOWNLOAD EXAMIANS APP