2026 FFM Agent Broker Certification Practice Exam

Labyrinth seals in a steam turbine are primarily constructed of:

Carbon graphite Cast iron Stainless steel, brass, or other metal alloys Teflon

Correct Answer:

Stainless steel, brass, or other metal alloys

Explanation:

Labyrinth seals are typically made of soft alloys like brass or stainless steel to allow for tight clearances without causing severe shaft damage on contact.

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