
Quiz Pengelasan
Authored by Ridho Alfthn
Other
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Konduktivitas termal logam target pengelasan menyebabkan
Cahaya dari alat pengelasan memantul ke operator
logam cenderung melengkung
Sebagai energi panas yang di hasilkan alat pengelasan hilang
Listrik merambat pada logam
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Keuntungan pengguna elektroda berbentuk kabel di bandingkan bentuk batang adalah?
Dapat mengalirkan listrik
Tidak mudah teroksidasi
Tidak menimbulkan slag
Meningkatkan Arc time pada proses pengelasan
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada pengelasan spot welding untuk menyambungkan dua material, resistansi total adalah
0.05 s
0.16 s
0.1 s
0.5 s
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kegagalan hasil pengelasan paling banyak terjadi pada?
Heat affected zone
Fusion zone
Austenistic zone
Time zone
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Untuk bentuk part dan pengelasan yang sama, material apakah yang membutuhkan energi paling kecil untuk di las?
Low Carbon steel
Alloy Steel
Stainless steel
Cast iron
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pengelasan oxyacetylene menggunakan 0.25m3 acetylen dan oksigen per jam adalah?
2673.6 J/s
4125 kJ/s
1145.8 J/s
9625 kJ/s
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cacat pengelasan dimana ada bagian benda kerja di luar daerah pengelasan yang tercairkan dan terbuang disebut?
Uppercut
Overmelt
Undercut
Unduerfill
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