Theory of Machine A cam mechanism imparts following motion Reciprocating All of these Oscillating Rotating Reciprocating All of these Oscillating Rotating ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mechanism _________ for transmitting or transforming motion. Unpredictable Can be used Can not be used None of these Unpredictable Can be used Can not be used None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively) m₁ r₂ = m₂ r₁ None of these m₁ m₂ = r₁ r₂ m₁ r₁ = m₂ r₂ m₁ r₂ = m₂ r₁ None of these m₁ m₂ = r₁ r₂ m₁ r₁ = m₂ r₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In locomotives, the ratio of the connecting rod length to me crank radius is kept very large in order to Minimize the effect of primary forces Have perfect balancing Minimize the effect of secondary forces To start the locomotive quickly Minimize the effect of primary forces Have perfect balancing Minimize the effect of secondary forces To start the locomotive quickly 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 Balancing of rotating and reciprocating parts of an engine is necessary when it runs at Moderate speed Slow speed Highs peed Any one of these Moderate speed Slow speed Highs peed Any one of these ANSWER DOWNLOAD EXAMIANS APP
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