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- Third Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q538 - Steam Plants II
107. Which type of packing is primarily utilized to control steam leakage from the casing of a modern auxiliary turbine?
Labyrinth seals are used in modern auxiliary steam turbines to control steam leakage by forcing steam through tight clearances, preventing contact and minimizing wear. Other options, such as Teflon, dovetail, and carbon, are unsuitable for high-speed turbine applications due to temperature and friction concerns.
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