Theory of Machine The Hooke's joint consists of: Three forks One fork Two forks Four forks Three forks One fork Two forks Four forks 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) (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] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Higher pairs are those which have Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Two elements that permit relative motion Surface contact between the two elements when in motion Elements of pairs not held together mechanically Point or line contact between the two elements when in motion Two elements that permit relative motion Surface contact between the two elements when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of the belt for maximum power is (where m = Mass of the belt in kg per meter length) T/3 √(3m/T) (T.g)/3 √(T/3m) T/3 √(3m/T) (T.g)/3 √(T/3m) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Crowning on pulleys helps Increase belt and pulley life In increasing velocity ratio For automatic adjustment of belt position so that belt runs centrally In decreasing the slip of the belt Increase belt and pulley life In increasing velocity ratio For automatic adjustment of belt position so that belt runs centrally In decreasing the slip of the belt ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the sleeve of a Porter governor moves downwards, the governor speed First increases and then decreases Remain unaffected Decreases Increases First increases and then decreases Remain unaffected Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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