The controlling force curves F, D, and B for a spring-controlled governor are shown in the figure, where r 1 and r 2 are any two radii of rotation. The characteristics shown by the curves are

Correct Answer is : F - Unstable; D - Isochronous; B - Stable

F - Stable; D - Isochronous; B - Unstable

F - Stable; D - Unstable; B - Isochronous

F - Unstable; D - Stable; B - Isochronous

F - Unstable; D - Isochronous; B - Stable

GATE Mechanical Engineering (ME) 2021 Shift 2 Solved Paper

Question : 26 of 65

Marks: +1, -0

The controlling force curves F, D, and B for a spring-controlled governor are shown in the figure, where r₁ and r₂ are any two radii of rotation.

The characteristics shown by the curves are

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