What is a major consequence of using dissimilar metals in construction?

5. Understanding Galvanic Corrosion with Dissimilar Metals

Interactive Video
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Professional Development
•
12th Grade
•
Medium
Alessandro DiDomenico
Used 2+ times
FREE Resource
15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Galvanic corrosion leading to damage
Enhanced aesthetic appeal
Reduced cost of materials
Increased structural integrity
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens in galvanic corrosion?
Electrolytes prevent corrosion
The more active metal corrodes preferentially
Both metals corrode at the same rate
All metals become less reactive
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which metal acts as an anode in a galvanic cell?
The metal with higher melting point
The metal with higher density
The less active metal
The more active metal
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to understand the chemical makeup of materials used in construction?
To enhance appearance
To speed up construction
To reduce costs
To prevent galvanic corrosion
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the presence of salt water, which metal corrodes faster when in contact with copper?
Gold
Steel
Aluminum
Brass
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What accelerates the corrosion of a more active metal?
Distance from a less active metal
Closeness to a less active metal
Presence of non-metallic materials
Isolation from any other metals
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of an electrolyte in galvanic corrosion?
It stops the corrosion process
It acts as a barrier between metals
It facilitates the electrical contact and corrosion
It acts as a cooling agent for the metals
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