Theory of Machine Flexible coupling is used because It is easy to disassemble It prevents shock transmission and eliminates stress reversals It is easy to engage and disengage It transmits shocks gradually It is easy to disassemble It prevents shock transmission and eliminates stress reversals It is easy to engage and disengage It transmits shocks gradually 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)/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) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When there is a reduction in amplitude over every cycle of vibration, then the body is said to have Free vibration Forced vibration Under damped vibration Damped vibration Free vibration Forced vibration Under damped vibration Damped vibration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The Klein's diagram is useful to find Acceleration of various parts Angular acceleration of various parts Displacement of various parts Velocity of various parts Acceleration of various parts Angular acceleration of various parts Displacement of various parts Velocity of various parts ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ‘D₁’ and ‘D₂’ be the diameters of driver and driven pulleys, then belt speed is proportional to D₂/D₁ D₁/D₂ D₁.D₂ D₁ D₂/D₁ D₁/D₂ D₁.D₂ D₁ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A foot step bearing and rotor of a vertical turbine form examples of Partially constrained motion Incompletely constrained motion Completely constrained motion Successfully constrained motion Partially constrained motion Incompletely constrained motion Completely constrained motion Successfully constrained motion ANSWER DOWNLOAD EXAMIANS APP
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