UAS LAS OAW
Quiz
•
Science
•
11th Grade
•
Practice Problem
•
Hard
nur rokhman
Used 42+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Fungsi dari google adalah ....
untuk menjepit benda kerja
untuk menghindari distorsi logam
untuk menghindari rusaknya penglihatan dari kuatnya sinar las dalm proses pengelasan
untuk memegang benda kerja agar tidak panas
untuk mengurangi cahaya pada las
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Di bawah ini merupakan peralatan keselamatan kerja las, kecuali ....
klem
wearpack
sarung tangan
apron
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Gambar tersebut adalah merupakan nyala api ...
Karburasi
Netral
Oksidasi
Reduksi
Distorsi
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Las oksi-asetilin memiliki 3 nyala api yaitu ....
karburasi, oksidasi, distorsi
reduksi, oksidasi, netral
karburasi, oksidasi, netral
karburasi, distorsi, netral
reduksi, distorsi, netral
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berikut ini merupakan pernyataan yang benar dari jenis jenis nyala api, kecuali ...
jika kita melakukan brazing, kita harus menggunakan campuran gas oksigen lebih banyak dari pada gas asetilin
nyala api oksidasi digunakan untuk pengelasan tembaga
pemotongan logam menggunakan campuran gas oksigen lebih banyak daripada gas asetilin
pengelasan nyala netral menggunakan bahan campuran kedua gas yang sama besar
nyala karburais adalah gas asetilin lebih banyak dari oksigen
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berapakah jarak efektif antara ujung kerucut nyala api dengan kawan lasan ketika dalam mengelas
1 mm
3 mm- 5mm
6mm -7mm
10mm
11mm
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Gas pembakar yang digunakan pada pengelasan oksigen asetilin adalah ....
C2H2
C10H12
HN2
Ar
H2O
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