
Ulangan Harian 1
Quiz
•
Engineering
•
12th Grade
•
Practice Problem
•
Medium
Titian Bayurama
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Turbidimetri adalah metode analisis yang digunakan untuk …
Mengukur kadar garam dalam air
Mengukur kekeruhan suatu sampel
Menentukan pH larutan
Mengukur konduktivitas listrik
Menentukan kadar oksigen terlarut
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Turbidimeter portabel memiliki keunggulan …
Hanya digunakan di laboratorium
Lebih murah tetapi sulit digunakan
Mudah dibawa dan digunakan di lapangan
Tidak perlu kalibrasi
Dapat menyaring partikel langsung
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Prinsip kerja turbidimeter adalah …
Mengukur panas yang dilepaskan oleh partikel
Menggunakan gelombang suara untuk menghitung partikel
Mengukur cahaya yang diteruskan atau dihamburkan oleh partikel
Menentukan massa molekul larutan
Menghitung perbedaan tekanan air
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Satuan umum hasil pengukuran turbidimeter adalah …
ppm
mg/L
NTU atau FTU
pH
Joule
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pada perawatan turbidimeter, kuvet tidak boleh dipegang langsung karena …
Bisa pecah
Bisa mengubah suhu larutan
Sidik jari dapat mengganggu hasil pengukuran
Bisa merusak sensor optik
Membuat alat cepat berkarat
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Turbidimeter lilin bekerja dengan metode …
Menggunakan laser berwarna
Berdasarkan cahaya lilin yang dipantulkan
Menghitung partikel melalui panas
Menggunakan radiasi gamma
Mengukur tekanan air
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Faktor yang menyebabkan semakin tinggi nilai kekeruhan adalah …
Semakin sedikit cahaya diteruskan
Semakin banyak cahaya menembus sampel
Semakin kecil jumlah partikel tersuspensi
Air mengandung lebih sedikit bahan organik
Suhu air semakin tinggi
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