What is the primary role of a governor in mechanical systems?

Learn the essentials for your FE Mechanical exam. Study with our questions and explanations, designed to prepare you thoroughly for exam day.

The primary role of a governor in mechanical systems is to maintain a constant speed of a machine. A governor is a device that automatically regulates the speed of a machine or engine by adjusting the fuel supply or other inputs based on the device’s output speed.

In applications such as internal combustion engines or turbines, a governor senses the speed of the engine and makes adjustments to prevent excessive speed variations that can lead to inefficiency or mechanical failure. By ensuring that the machine operates within the desired speed range, the governor helps improve performance, fuel efficiency, and safety.

Other options, like increasing machine power, providing mechanical advantage, or reducing friction, do not directly relate to a governor’s main function. While a governor may indirectly contribute to overall efficiency, its central task is to regulate speed rather than enhance power, amplify force, or minimize friction-related losses. This specificity in functionality makes the governor an essential component in the operation of various mechanical systems.

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