Theory of Machine The lower pairs are _________ pairs. None of these Force-closed Self-closed Friction closed None of these Force-closed Self-closed Friction closed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The magnitude of linear velocity of a point B on a link AB relative to point A is, (Where ω = Angular velocity of the link AB) ω² × AB (ω × AB)² ω × AB ω × (AB)² ω² × AB (ω × AB)² ω × AB ω × (AB)² ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of height of Porter governor (when length of arms and links are equal) to the height of Watt's governor is (where m = Mass of the ball, and M = Mass on the sleeve) M/(m + M) m/(m + M) (m + M)/M (m + M)/m M/(m + M) m/(m + M) (m + M)/M (m + M)/m ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of higher pair is Belt, rope and chain drives Ball and roller bearings All of these Gears, cams Belt, rope and chain drives Ball and roller bearings All of these Gears, cams ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A Hartnell governor is a Spring loaded governor Pendulum type governor Inertia governor Dead weight governor Spring loaded governor Pendulum type governor Inertia governor Dead weight governor 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
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