WELDING 3G

Quiz
•
Engineering
•
Vocational training
•
Medium
MUHAMMAD KHAIRUDDIN KPM-Guru
Used 1+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kedudukan 3G merujuk kepada:
Groove weld mendatar
Groove weld menegak
Fillet weld mendatar
Fillet weld rata
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kenapa sambungan 3G lebih mencabar berbanding 1G?
Arus lebih tinggi diperlukan
Graviti mempengaruhi aliran logam cair
Tidak memerlukan PPE
Elektrod E6013 tidak boleh digunakan
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah tindakan jika terjadi porositi pada weld bead?
Biarkan sahaja
Gosok dengan wire brush
Grind semula & re-weld
Tambah fluks basah
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika kelajuan pergerakan elektroda terlalu perlahan pada kedudukan 3G, hasilnya ialah:
Manik kimpal terlalu nipis
Penembusan berlebihan & burn through
Sambungan kuat & cantik
Tiada slag terbentuk
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Apakah tujuan ‘weaving technique’ untuk vertical up weld?
Mempercepat kerja
Mengurangkan arus
Menstabilkan logam cair & elak kebocoran
Meningkatkan slag inclusion
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elektrod E7016 lebih sesuai digunakan pada:
Root pass sambungan tebal
Kimpalan overhead sahaja
Sambungan aluminium
Kimpalan fillet 2F
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut, yang manakah TIDAK tergolong dalam kecacatan sambungan 3G?
Slag inclusion
Lack of penetration
Lamellar tearing
Flash rusting
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