
PreTest 1-2
Authored by Fahriadi Pakaya
Education
University
Used 2+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Proses apa yang umumnya digunakan untuk mengubah bijih besi menjadi baja?
Pemurnian
Pencampuran
Peleburan
Pengecoran
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa manfaat utama dari penambahan paduan pada logam?
Mengurangi kekuatan
Meningkatkan ketahanan terhadap korosi
Mempercepat proses pembuatan
Menurunkan titik lebur
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Metode apa yang digunakan untuk meningkatkan kekuatan logam dengan memberikan perlakuan panas dan pendinginan cepat?
Pemanasan
Pengerasan
Pengecoran
Pemurnian
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang dimaksud dengan "Annealing" dalam konteks pemrosesan logam?
Pemanasan logam dan pendinginan lambat
Pengerasan logam dengan cepat
Pemurnian logam dari kotoran
Pemberian lapisan pelindung pada logam
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Proses apa yang digunakan untuk mencampur logam dengan unsur lain untuk membentuk paduan?
Pemurnian
Pengecoran
Pemanasan
Paduan
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa keuntungan utama dari menggunakan baja tahan karat dalam konstruksi?
Kekuatan yang rendah
Tahan terhadap korosi
Harga yang murah
Warna yang menarik
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Proses apa yang digunakan untuk menghilangkan oksida dan kotoran dari permukaan logam?
Pemurnian
Pengecoran
Pemeraman
Pencelupan
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