wee Corrosion module 4
Authored by weerawat lertbumrungsuk
Chemistry
University
Used 4+ times
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24 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Corrosion occurs at the ............................................................................ site in a metal
Anodic
Cathode
Both Anodic and Cathode
Both Anodic and Cathode , but almost at Cathod
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Corrosion product are "Rust" คือ
2Fe(OH)2
Fe(OH)2
FeCl3
2Fe( OH)3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
หน่วยการวัด Corrosion rate
SUEZ Water ใช้หน่วยอะไรในการวัด
ppm.
mpy
mill per month
mm/y
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Corrosion rate guidelines for open circulating systems
SUEZ WTS recommended guidelines about corrosion rates
in level acceptable ของ Brass = ??
<0.1
0.1-0.3
0.3-1.0
1.0-3.0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Corrosion rate guidelines for open circulating systems
SUEZ WTS recommended guidelines about corrosion rates
in level acceptable ของ Cabon steel = ??
<0.3
0.3-1.0
1.0-3.0
3.0-5.0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or False
DO ยิ่งเยอะ ยิ่งทำให้เกิด Corrosion rate สูง
T
F
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or False
TEMP ยิ่งเยอะ ยิ่งทำให้เกิด Corrosion rate สูง
T
F
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