
Korosi
Authored by Syururoh Arifiah
Chemistry
12th Grade
Used 7+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Faktor-faktor berikut yang mempengaruhi terjadinya korosi adalah.....
Pemanasan
kelembaban udara
kualitas logam
pendinginan
waktu pemakaian
2.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Perlindungan korosi yang paling tepat dilakukan untuk melindungi logam pada bagian mesin yang berputar adalah....
mengecat
melumuri dengan oli
perlindungan katodik
dibuat paduan logam
dibalut dengan emas
3.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
salah satu cara mencegah terjadinya korosi pada menara adalah.....
dilapisi timah
direndam dengan air
dibakar lalu ditempa
dicelupkan pada larutan asam
dihubungkan dengan lempeng magnesiun
4.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Kapal yang berada dilaut lebih cepat berkarat dibanding dengan kapal yang ada disungai. faktor yang paling dominan mempengaruhi perkaratan pada kapal adalah...
elektrolit
suhu
galvanic coupling
pH
kadar air
5.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Prinsip pencegahan korosi dengan perlindungan katodik adalah....
logam di katoda harus memiliki potensial reduksi lebih besar daripada logam di anoda
bahan yang dilindungi harus diletakan di anoda
logam di anoda harus mudah direduksi
logam di katoda harus mudah di oksidasi
tidak perlu dilakukan
6.
MULTIPLE CHOICE QUESTION
10 sec • 10 pts
Yang bukan merupakan faktor yang menyebabkan korosi adalah....
suhu
minyak
pH
elektrolit
air
7.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Perlindungan korosi yang paling tepat dilakukan untuk melindungi logam pada rak piring adalah...
melumuri dengan oli
perlindungan katodik
dibalut dengan logam
dibuat paduan logam
dibalut dengan plastik
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