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Bahasa Melayu Translations » 历史存档[信息] » Soalan pengurusan air setiap hari (12.23)

Soalan pengurusan air setiap hari (12.23)

2016-12-23View Original

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Soalan pilihan tunggal: Faktor-faktor yang mempengaruhi bunga alum adalah . A. Jumlah bahan koagulan yang digunakan, nilai pH, suhu air.
B. Jumlah air yang kembali, jumlah bahan kimia yang ditambahkan, jumlah air yang masuk.
C. Kualiti air, jumlah bahan kimia yang ditambahkan, jumlah gas yang terlarut dalam air.
D. Jumlah bahan koagulan yang digunakan, kepekatan, jenis bahan koagulan. Pilihan: C
Reply #22016-12-23
C. Kualiti air. Jumlah bahan kimia yang ditambah. Jumlah gas yang terlarut
Reply #32016-12-23
A. Jumlah bahan koagulan yang digunakan. Nilai pH. Suhu air
Reply #42016-12-23
C. Kualiti air. Jumlah bahan kimia yang ditambah. Jumlah gas yang terlarut

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Translated at 2026-07-26 03:04:09

Original: https://bbs.hcbbs.com/thread-1654983-1-1.html

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