
213 PPT2 Galvanic scale and Material Expansion
Authored by Trevor Armstrong
Other
3rd Grade
Used 10+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does an inhibitor protect in a heating system?
Plastic surfaces
Steel surfaces
Wooden surfaces
Glass surfaces
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which metals are mentioned as being part of a plumbing system?
Gold and silver
Copper and LCS
Tin and lead
Zinc and nickel
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common fitting in plumbing that uses an olive to make a seal?
Plastic fittings
Brass compression fittings
Rubber fittings
Wooden fittings
Answer explanation
Brass compression fittings are commonly used in plumbing and utilize an olive (or ferrule) to create a watertight seal when tightened. This makes them ideal for connecting pipes securely.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of an electrolyte in electrolytic corrosion?
It prevents corrosion
It causes corrosion
It cleans the metal
It strengthens the metal
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of electrolytic corrosion on a galvanized pipe?
It strengthens the pipe
It causes the pipe to corrode
It makes the pipe shiny
It cools the pipe
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when metals are further away in the electromotive series?
The corrosion is less reactive
The corrosion is more reactive
The metals become magnetic
The metals become non-conductive
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What effect does heat have on the corrosion process?
It slows it down
It stops it completely
It makes the process happen faster
It has no effect
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