Corrosion Exam with correct answers

Corrosion Exam with correct answers


Which of the following metals would you find at the Noble end of the Galvanic Series?

A. Stainless Steel

B. Platinum

C. Magnesium

D. Zinc - ** VERIFIED ANSWERS **✔✔Platinum



Galvanic anodes are connected to...

A. The positive lead of the rectifier

B. The negative lead of the rectifier

C. The structure being protected

D. A DC power source such as a battery - ** VERIFIED ANSWERS **✔✔C. The structure
being protected.



Which of the following is NOT an advantage of galvanic anodes?

A. They don't require an outside power source

B. Installations protect larger structures than impressed current systems.

C. They are easy to install and maintain

D. They rarely cause stray current interference. - ** VERIFIED ANSWERS **✔✔B.
Installations protect larger structures than impressed current systems.



A(n) _______ is the smallest particle of an element or compound that retains all the
properties of that compound or element.

A. Ion

B. Atom

, C. Molecule

D. Element

E. Mixture. - ** VERIFIED ANSWERS **✔✔C. Molecule



In the figure on page 2, X represents the ______

A. Anode

B. Cathode.

C. Metallic Return

D. Electrolyte - ** VERIFIED ANSWERS **✔✔D. Electrolyte



In the figure on page 2, Y represents the ______

A. Anode

B. Cathode.

C. Metallic Return

D. Electrolyte - ** VERIFIED ANSWERS **✔✔A. Anode



In the figure on page 2, Y represents the ______

A. Anode

B. Cathode.

C. Metallic Return

D. Electrolyte - ** VERIFIED ANSWERS **✔✔B. Cathode



Complete elimination of any of the 4 elements of the corrosion cell will stop oxidation from
occurring

True or False - ** VERIFIED ANSWERS **✔✔True