Quiz Topik 5 Metallurgy : Corrosion Control
Quiz
•
Instructional Technology
•
4th Grade
•
Practice Problem
•
Medium
FATIN SYAHIRAH BINTI MOHAMED FUAD KPM-Guru
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah definisi kakisan?
Proses penghasilan logam daripada bijih
Proses pemanasan logam untuk rawatan haba
Proses degradasi logam akibat tindak balas kimia atau elektrokimia
Proses penyejukan logam dalam air
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah jenis kakisan yang berlaku secara seragam di seluruh permukaan logam?
Kakisan Lubang
Kakisan Seragam
Kakisan Celah
Kakisan Galvani
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kakisan jenis manakah yang berlaku apabila dua logam berbeza bersentuhan dalam kehadiran elektrolit?
Kakisan Seragam
Kakisan Celah
Kakisan Galvani
Kakisan Tegasan
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah punca utama kakisan berlaku?
Tekanan tinggi
Suhu rendah
Kehadiran air dan oksigen
Geseran mekanikal
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah tujuan utama kaedah katodik?
Meningkatkan kekuatan logam
Menurunkan takat lebur logam
Melindungi logam daripada menjadi anod dan mengakis
Mempercepatkan proses karat
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zink digunakan dalam kaedah katodik kerana...?
Ia murah dan ringan
Ia lebih keras daripada besi
Ia lebih elektropositif dan akan mengorbankan dirinya
Ia tidak mengalirkan elektrik
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bahan kimia yang ditambah untuk melambatkan kakisan dikenali sebagai...?
Inhibitor
Pelincir
Katalis
Anod
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