Technician A says that mechanical cleaning with scrapers or wire ...

[cdr_15]

Technician A says that mechanical cleaning with scrapers or wire brushes can be used to remove deposits. Technician B says that steel wire brushes can be used to clean aluminum parts. Who is right?
 
  A) Technician A only B) Technician B only
  C) Both technicians A and B D) Neither technician A nor B

Question 2

Plugging can be used to repair cracks ________.
 
  A) In both cast-iron and aluminum cylinder heads B) In aluminum cylinder heads
  C) In cast-iron cylinder heads D) Only in cast-iron blocks

[ms_sulzle]

Answer to Question 1

A

Answer to Question 2

A