While inspecting a planetary gearset:
Technician A says blackened pinion shafts indicate severe overloading.
Technician B says bluish gears indicate overheating.
Who is correct?
O a. A only
O b. B only
c. Both A and B
O d. Neither A nor B



Answer :

Final answer:

Both Technician A and Technician B are correct in their assessments of the planetary gearset inspection.


Explanation:

Both A and B are correct. Blackened pinion shafts indicate severe overloading as excessive load causes friction and heat generation, leading to blackening. Bluing of gears indicates overheating due to friction, causing the metal to change color.


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