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wee Corrosion module 4

Authored by weerawat lertbumrungsuk

Chemistry

University

Used 4+ times

wee Corrosion module 4
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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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