
QUENCHING
Quiz
•
Others
•
9th - 12th Grade
•
Easy
NURUL HAZIQAH BINTI ZAIPOL KPM-Guru
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah tujuan utama proses quenching dalam rawatan haba?
Menyejukkan logam supaya menjadi lembut
Meningkatkan kekerasan dan kekuatan logam
Mengurangkan kandungan karbon dalam logam
Menjadikan logam lebih mudah dibentuk
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut, yang manakah merupakan medium quenching yang paling cepat menyejukkan logam?
Minyak
Air
Udara
Larutan garam
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah risiko utama apabila menggunakan medium quenching jika tidak dikawal dengan betul?
Kadar penyejukan terlalu perlahan
Tidak cukup keras
Retak atau ubah bentuk pada logam
Suhu logam tidak berubah
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Proses quenching dilakukan selepas logam dipanaskan pada suhu:
Di bawah 500°C
Suhu bilik
Suhu sekitar 800–900°C
Suhu pembekuan
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah maksud proses quenching dalam rawatan haba logam?
Memanaskan logam hingga cair
Penyejukan pantas logam selepas dipanaskan
Menambahkan karbon dalam logam
Menggilap permukaan logam
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah faktor penting yang mempengaruhi keberkesanan proses quenching?
Jenis logam sahaja
Jenis dan suhu media penyejukan
Ketebalan logam sahaja
Warna logam
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