Theory of Machine The displacement of a flat faced follower when it has contact with the flank of a circular arc cam, is given by (where R = Radius of flank, r₁ = Minimum radius of the cam, and θ = Angle turned through by the cam) (R - r₁) (1 - sinθ) (R - r₁) (1 - cosθ) R (1 - sinθ) R (1 - cosθ) (R - r₁) (1 - sinθ) (R - r₁) (1 - cosθ) R (1 - sinθ) R (1 - cosθ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the two elements of a pair have __________ when in motion, it is said to a lower pair. Line or point contact Surface contact None of these Body contact Line or point contact Surface contact None of these Body contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The motion of a shaft in a circular hole is an example of None of these Incompletely constrained motion Completely constrained motion Successfully constrained motion None of these Incompletely constrained motion Completely constrained motion Successfully constrained motion 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 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 Minimize the effect of primary forces Have perfect balancing Minimize the effect of secondary forces ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Flexible coupling is used because It is easy to engage and disengage It is easy to disassemble It transmits shocks gradually It prevents shock transmission and eliminates stress reversals It is easy to engage and disengage It is easy to disassemble It transmits shocks gradually It prevents shock transmission and eliminates stress reversals ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum or minimum value of the swaying couple is ± a (1 - c) m.ω².r ± (a/√2) (1 - c) m.ω².r ± 2a (1 - c) m.ω².r ± c.m.ω².r ± a (1 - c) m.ω².r ± (a/√2) (1 - c) m.ω².r ± 2a (1 - c) m.ω².r ± c.m.ω².r ANSWER DOWNLOAD EXAMIANS APP
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