Basic Interview Questions in Mechanical Engineering

How many governors are needed for safe turbine operation? Why?

Correct! Wrong!

Two independent governors are needed for safe turbine operation: One is an over speed or emergency trip that shuts off the steam at 10 percent above running speed (maximum speed). The second, or main governor, usually controls speed at a constant rate; however, many applications have variable speed control.

Basic Interview Questions in Mechanical Engineering
Two independent governors are needed for safe turbine operation: One is an over speed or emergency trip that shuts off the steam at 10 percent above running speed (maximum speed). The second, or main governor, usually controls speed at a constant rate; however, many applications have variable speed control.

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