Turbine Overhaul (OH) Test 1 Practice

Which option is NOT listed as a repair process?

Welding Blending Re-welding Electroplating

Correct Answer:

Re-welding

Explanation:

Repair methods commonly recognized in turbine overhaul practice are welding to build up or join metal, blending to smooth and shape the surface after welding, and electroplating to restore surface properties. Re-welding isn’t listed as a separate repair process because repeating welding on an area that has already been welded isn’t treated as its own repair category in standard repair catalogs. Additional welding adds heat, increases the risk of cracking or distortion, and if more material is needed, technicians typically handle it within the same welding procedure or choose a different method (like blending or deposition), rather than labeling “re-welding” as a unique process. So the option that isn’t listed as a repair process is the one involving re-welding.

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