
Soalan Kecacatan Kimpalan
Authored by nur ateeqahkhalil
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1st Grade

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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah jenis kecacatan kimpalan yang berlaku akibat gas terperangkap dalam logam cair?
Porosity
Undercut
Lack of Fusion
Crater Crack
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah punca utama terbentuknya kecacatan "lack of fusion"?
Arus kimpalan terlalu tinggi
Kelajuan kimpalan terlalu perlahan
Penembusan tidak mencukupi antara logam asas dan logam tambah
Elektrod terlalu pendek
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kecacatan yang berlaku apabila terdapat celah antara pas kimpalan dan bahan asas disebut sebagai...
Undercut
Slag Inclusion
Cold Crack
Porosity
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah faktor utama yang menyebabkan kecacatan "slag inclusion"?
Gas berlebihan dalam proses kimpalan
Tidak membersihkan sanga sebelum lapisan kimpalan seterusnya
Penggunaan elektrod yang salah
Arus kimpalan terlalu tinggi
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah nama kecacatan kimpalan yang sering berlaku disebabkan oleh pengecutan logam semasa penyejukan?
Burn Through
Distortion
Crater Crack
Spatter
6.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Kecacatan yang berlaku apabila terdapat rekahan kecil pada permukaan atau dalam logam kimpalan disebut sebagai ___________.
7.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
__________ ialah kecacatan yang terjadi akibat gas yang terperangkap dalam kimpalan dan menyebabkan rongga kecil dalam logam.
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