Home/ Questions/Q 2179
Next
In Process
Askmemetallurgy Official
Poll
Asked: 2020-06-18T15:50:00+05:30 In:

GATE MT 2018 Q9. Which of the following materials are protected by passivation (i.e., formation of a thin adherent film on the surface) from corrosion? P.Aluminium alloys Q.Mild steel R.Stainless steel S.Silver

Poll Results

20.41%(A) P & Q ( 10 voters )
4.08%(B) Q & R ( 2 voters )
10.2%(C) Q & S ( 5 voters )
65.31%(D) P & R ( 32 voters )
Based On 49 Votes

Participate in Poll, Choose Your Answer.

GATE MT 2018 Q9. Which of the following materials are protected by passivation (i.e., formation of a thin adherent film on the surface) from corrosion? P.Aluminium alloys Q.Mild steel R.Stainless steel S.Silver
corrosionGATE MT 2018 Question Paper With SolutionGATE MT Previous Year Questions With SolutionGATE MT Thermodynamics
Share

    3 Answers

    1. Platinum Metallurgical and Materials Engineering student

      Option D is correct

      Option D is correct

      See less
      • 2
    2. official account of Askmemetallurgy

      Correct answer is option D. Passive film materials are stainless steels (Cr2O3) and Aluminium alloys ( Al2O3).  

      Correct answer is option D.

      Passive film materials are stainless steels (Cr2O3) and Aluminium alloys ( Al2O3).

       

      See less
      • 0
    3. Platinum GATE Metallurgy Coaching |Providing Video Solutions and Concepts of Metallurgy since 2016 | Follow our channel, "C Patel Metallurgy" on Youtube for your GATE preparation

      Al forms Al2O3 and SS forms Cr2O3

      Al forms Al2O3 and SS forms Cr2O3

      See less
      • 0
    Leave an answer

    Leave an answer

    Browse

    Choose from here the video type.

    Put Video ID here: https://www.youtube.com/watch?v=sdUUx5FdySs Ex: "sdUUx5FdySs".