Theory of Machine If two moving elements have surface contact in motion, such pair is known as Higher pair Rolling pair Sliding pair Surface pair Higher pair Rolling pair Sliding pair Surface pair 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) (r₁ + r₂) [(1 - cosθ)/cosθ] (r₁ + r₂) (1 + cosθ) (r₁ - r₂) [(1 - cosθ)/cosθ] (r₁ - r₂) (1 - cosθ) (r₁ + r₂) [(1 - cosθ)/cosθ] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine An eccentric sheave pivoted at one point rotates and transmits oscillatory motion to a link whose one end is pivoted and other end is connected to it. This mechanism has 3 links 5 links 2 links 4 links 3 links 5 links 2 links 4 links 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 3 2 1 4 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Angle of action of cam is defined as the angle Through which the cam rotates during the period in which the follower remains in the highest position Moved by the cam from beginning of ascent to the termination of descent Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Of rotation of the cam for a definite displacement of the follower Through which the cam rotates during the period in which the follower remains in the highest position Moved by the cam from beginning of ascent to the termination of descent Moved by the cam from the instant the follower begins to rise, till it reaches its highest position Of rotation of the cam for a definite displacement of the follower ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of piston in a reciprocating steam engine is given by (where ω = Angular velocity of crank, r = Radius of crank pin circle, θ = Angle turned by crank from inner dead center, and n = Ratio of length of connecting rod to the radius of crank) ωr [cos θ + (cos 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ωr [cos θ + (cos 2θ/n)] ω²r [sin θ + (sin 2θ/n)] ω²r [cos θ + (cos 2θ/n)] ωr [sin θ + (sin 2θ/n)] ANSWER DOWNLOAD EXAMIANS APP
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