Theory of Machine Creep in belt drive is due to Uneven extensions and contractions due to varying tension Material of the pulley Larger size of the driver pulley Material of the belt Uneven extensions and contractions due to varying tension Material of the pulley Larger size of the driver pulley Material of the belt ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of links and instantaneous centers in a reciprocating engine mechanism are 4, 4 4, 5 4, 6 5, 4 4, 4 4, 5 4, 6 5, 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mechanism is an assemblage of Three links All of these Four or more than four links Two links Three links All of these Four or more than four links Two links 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)/cosθ] (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] 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 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
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