
Ujian Pengelasan OAW
Authored by ISBANI ISBANI
Other
11th Grade

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30 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
Apa kepanjangan dari OAW dalam konteks pengelasan?
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Answer explanation
OAW kepanjangannya Oxygen-Acetylene Welding
2.
OPEN ENDED QUESTION
3 mins • 1 pt
Sebutkan dua gas utama yang digunakan dalam proses las OAW.
Evaluate responses using AI:
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Answer explanation
Dua gas utama yang digunakan dalam proses las OAW adalah oksigen dan asetilen.
3.
OPEN ENDED QUESTION
3 mins • 1 pt
Apa fungsi dari gas oksigen dalam proses las OAW?
Evaluate responses using AI:
OFF
Answer explanation
Gas oksigen digunakan dalam proses las OAW untuk memberikan oksigen tambahan yang membantu pembakaran logam yang dilebur.
4.
OPEN ENDED QUESTION
3 mins • 1 pt
Mengapa gas asetilena dipilih sebagai bahan bakar dalam las OAW?
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Answer explanation
Gas asetilena dipilih karena memiliki suhu nyala yang tinggi, sehingga cocok untuk memanaskan logam dalam proses pengelasan OAW.
5.
OPEN ENDED QUESTION
3 mins • 1 pt
Apa yang dimaksud dengan nyala karburasi pada las OAW?
Evaluate responses using AI:
OFF
6.
OPEN ENDED QUESTION
3 mins • 1 pt
Jelaskan perbedaan antara nyala netral dan nyala oksidasi.
Evaluate responses using AI:
OFF
Answer explanation
Nyala netral tidak memiliki warna khusus, sementara nyala oksidasi memiliki warna biru atau ungu karena adanya ion logam yang teroksidasi.
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Bagaimana cara mengatur perbandingan gas oksigen dan asetilena untuk mendapatkan nyala netral?
Evaluate responses using AI:
OFF
Answer explanation
Mengatur perbandingan gas oksigen dan asetilena menjadi 1:1 untuk mendapatkan nyala netral.
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