QUIZ II

Quiz
•
Science
•
University
•
Hard
Ridhwan Haliq
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah dari uji destruktif berikut yang akan menunjukkan ketangguhan logam las/logam induk – HAZ.
Makro
Nick Break
Kekerasan
Bentuk Takikan Charpy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Endapan logam las dari elektroda busur logam akan mencapai
kekuatan mekanisnya melalui?
Kawat inti
Pelapisan fluks
Iron powder dengan flux coating
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah dari proses berikut yang menggunakan sistem fusi “keyholing”?
Friction welding
Diffusion bonding
Electron beam welding
Autogenous TIG welding
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Di dalam bidang metalurgi, Masalah yang paling sering dikaitkan dengan pengelasan busur terendam adalah:
Retak saat ada hidrogen di HAZ
Retak saat pemadatan pada logam las
Retak saat ada hidrogen pada logam las
Robekan lamelar pada logam las
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hal penting yang perlu diketahui dari material baja suhu tinggi adalah:
Baja tersebut dapat menahan kegagalan mulur
Baja tersebut dapat mengalami masalah retak akibat pemanasan ulang
Baja tersebut dapat mengalami kehilangan ketangguhan
Semua jawaban di atas
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika mengacu pada pengelasan TIG, gas pelindung TIG bisa berupa (gas yang digunakan pada saat pengelasan):
Argon + Hidrogen
Argon + Helium
Argon + Nitrogen
Semua jawaban Benar
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ketika mengacu pada pengelasan MIG, gas pelindung bisa berupa:
Argon
Argon + 1% Oksigen
Argon + 20% CO2
Tidak ada yang benar
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