Theory of Machine When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than 1 0.25 0.5 2 1 0.25 0.5 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the relation between the controlling force (Fc) and radius of rotation (r) for a spring controlled governor is Fc = ar + b, then the governor will be None of these Unstable Isochronous Stable None of these Unstable Isochronous Stable ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statement is correct for involute gears? A convex flank is always in contact with concave flank. The pressure angle is constant throughout the teeth engagement. The interference is inherently absent. The variation in centre distance of shafts increases radial force. A convex flank is always in contact with concave flank. The pressure angle is constant throughout the teeth engagement. The interference is inherently absent. The variation in centre distance of shafts increases radial force. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a conical pivot bearing with assumption of uniform pressure is __________ as compared to uniform wear. Same None of these More Less Same None of these More Less 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 An exact straight line motion mechanism is a Hart's mechanism Scott-Russell's mechanism Peaucellier's mechanism All of these Hart's mechanism Scott-Russell's mechanism Peaucellier's mechanism All of these ANSWER DOWNLOAD EXAMIANS APP
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