Batu besi coklat (2Fe2O3 + 3H2O) mengandung kadar besi ....
DPTM 2

Quiz
•
Education
•
1st - 10th Grade
•
Hard

Aziz Mohammad
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
30 %
40 %
50 %
60 %
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Susunan dapur tinggi (dari lapisan paling atas) pada pengolahan bijih besi adalah ....
Bijih besi, Batu kapur dan Kokas
Kokas, Bijih besi dan Batu kapur
Batu kapur, Bijih besi dan Kokas
Kokas, Batu kapur dan Bijih besi
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pengolahan baja pada sebuah bejana baja dengan lapisan batu tahan api yang bersifat asam adalah proses ....
Bessemer
Martin
Dapur busur cahaya
Dapur induksi
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pembakaran keramik yang mencapai suhu 700°- 1.000° C dinamakan ....
Pengeringan
Pembakaran
Pembakaran Biskuit
Pengglasiran
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
"Botol plastik" dibuat menggunakan proses ....
Blow molding
Thermoforming
Ekstrusi
Injection Molding
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Logam dipanaskan sampai dibawah suhu kritis, kemudian didinginkan diudara bebas adalah proses ....
Hardening
Anealing
Tempering
Normalizing
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chrome (Elektroplanting) adalah perlakuan panas pada permukaan jenis ....
Flame Hardening
Induction Surface Hardening
Normalizing
Electrolite Bath Hardening
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