
Coating Quality Quiz
Authored by linen mocha
Chemistry
Professional Development
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang dimaksud dengan retensi air dalam coating slurry?
Kemampuan solusi pelapisan untuk mempertahankan air
Kecepatan di mana air diserap oleh kertas
Ketebalan lapisan pelapisan
Jenis pengikat yang digunakan dalam pelapisan
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang diukur oleh air content dalam coating?
Jumlah udara yang terperangkap dalam larutan pelapis
Viskositas larutan pelapis
Suhu larutan pelapis
Tingkat pH larutan pelapis
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa itu tegangan permukaan dalam konteks coating?
Gaya yang diperlukan untuk memisahkan molekul di permukaan cairan
Ketebalan lapisan pelapisan
Kecepatan pengeringan pelapisan
Jenis substrat yang digunakan
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang ditunjukkan oleh contact angle?
Sudut yang dibentuk antara tetesan cairan dan permukaan substrat
Ketebalan lapisan pelapisan
Jumlah pengikat yang digunakan
Jenis bahan pelapisan
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagaimana ukuran partikel mempengaruhi karakteristik pelapisan?
Ini menentukan luas permukaan efektif dari material
Ini mempengaruhi waktu pengeringan pelapisan
Ini mempengaruhi warna pelapisan
Ini tidak berpengaruh pada karakteristik pelapisan
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa yang dimaksud dengan Total Solid pada proses coating?
Kandungan ion H+
Jumlah persentase padatan dalam coating
Kandungan air dalam kertas
Sudut kontak coating pada kertas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah parameter yang paling berkaitan dengan kemampuan coating menyebar di permukaan kertas?
Total Solid
Viskositas
Surface Tension
Air Content
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