Theory of Machine Flexible coupling is used because It is easy to engage and disengage It is easy to disassemble It prevents shock transmission and eliminates stress reversals It transmits shocks gradually It is easy to engage and disengage It is easy to disassemble It prevents shock transmission and eliminates stress reversals 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) (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) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radial distance of a tooth from the pitch circle to the bottom of the tooth is called Working depth Dedendum Addendum Clearance Working depth Dedendum Addendum Clearance ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) ω/2π π/ω ω × 2π 2π/ω ω/2π π/ω ω × 2π 2π/ω ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as Sliding pair Turning pair Rolling pair Spherical pair Sliding pair Turning pair Rolling pair Spherical pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For fluctuating loads, well suited bearing is Needle roller bearing Roller bearing Ball bearing Thrust bearing Needle roller bearing Roller bearing Ball bearing Thrust bearing ANSWER DOWNLOAD EXAMIANS APP
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