Technician A says etching is a discoloration or removal of some material caused by corrosion or some other chemical reaction. Technician B says thrust washers should be replaced with new ones if they are pitted or scored. Who is correct?
A)A only
B)B only
C)Both A and B
D)Neither A nor B

Question

Quizplus · Accepted Answer

Technician A is correct in defining etching as a discoloration or removal of some material caused by corrosion or some other chemical reaction. Technician B is correct in stating that thrust washers should be replaced with new ones if they are pitted or scored, as this can cause damage to the engine or transmission. Therefore, both technicians are correct.

Technician a Says Etching Is a Discoloration or Removal of Some