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A governor is said to be stable, if the radius of rotation of balls

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For a centrifugal governor to operate stably: - High Speed $\rightarrow$ Large Radius $\rightarrow$ Lifts Sleeve $\rightarrow$ Throttles Fuel Down. - Low Speed $\rightarrow$ Small Radius $\rightarrow$ Lowers Sleeve $\rightarrow$ Opens Fuel Up. If the radius decreased as speed increased, it would open the fuel valve further, causing the engine to accelerate uncontrollably!

Updated On: Jul 9, 2026

increases as the equilibrium speed decreases
decreases as the equilibrium speed decreases
increases as the equilibrium speed increases
decreases as the equilibrium speed increases

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The Correct Option is C

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LIST I	LIST II
A. Involute Gear	I. Variable Pressure Angle
B. Cycloidal Gear	II. Constant Pressure Angle
C. Gyroscope	III. Sensitivity
D. Governor	IV. Stability

A governor is said to be stable, if the radius of rotation of balls

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The Correct Option is C

Solution and Explanation

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