16. The
contains a variety of helpful information, such as engine identification guidelines, engine specifications, rebuilding specifications, and recommended repair procedures.
O A. engine dala plate
O B. online service information
O C owner's manual
OD VIN label

Precipitation hardening can be achieved in many light alloys by a three-step heat treatment. what is carried out and what is the purpose at each step? why is such a treatment necessary based on the nucleation and growth theory of phase transformation. compare this treatment with tempering martensite for carbon steels (similarities and differences).