CLEANING AND CORROSION LATEST
FINAL EXAM 2026/2027 WITH QUESTIONS
AND EXPERT-VERIFIED CORRECT
ANSWERS | ALREADY GRADED A+ |
GUARANTEED PASS | CLEANING &
CORROSION ALL CHAPTERS EXAM
Aluminum alloy are protected from oxidation by the formation an ____ film on its
surface. - CORRECT ANSWER-aluminum oxide
Corrosion that forms along the grain boundaries within an aluminum alloy is called
____ corrosion. - CORRECT ANSWER-intergranular
Intergranular corrosion of aluminum alloys is usually caused by delaying ______
during heat treatment. - CORRECT ANSWER-quenching
______ ____ is an extreme case of intergranular corrosion. - CORRECT
ANSWER-exfoliating corrosion
, Where two dissimilar metals joined in a structure and corrosion forms on one of
them, it is usually a form of ___ corrosion. - CORRECT ANSWER-galvanic
Oxygen concentration cell corrosion forms where there is ____ oxygen.
too much
too little - CORRECT ANSWER-too little
Metallic ion concentration cell corrosion forms in ___ areas.
open
closed - CORRECT ANSWER-Open
Stress corrosion may occur when the metal is subjectged to ____ stress in the
presence of a corrosive environment. - CORRECT ANSWER-tensile
Rivet "smoking" is an indication of what type of corrosion? - CORRECT
ANSWER-fretting corrosion
Filiform corrosion forms mostly under a _____ _____ finish. - CORRECT
ANSWER-polyurethane enamel
While both matericals will corrode metal, aluminum alloys are more vulnerable to
....
acids
alkalis - CORRECT ANSWER-alkalis
FINAL EXAM 2026/2027 WITH QUESTIONS
AND EXPERT-VERIFIED CORRECT
ANSWERS | ALREADY GRADED A+ |
GUARANTEED PASS | CLEANING &
CORROSION ALL CHAPTERS EXAM
Aluminum alloy are protected from oxidation by the formation an ____ film on its
surface. - CORRECT ANSWER-aluminum oxide
Corrosion that forms along the grain boundaries within an aluminum alloy is called
____ corrosion. - CORRECT ANSWER-intergranular
Intergranular corrosion of aluminum alloys is usually caused by delaying ______
during heat treatment. - CORRECT ANSWER-quenching
______ ____ is an extreme case of intergranular corrosion. - CORRECT
ANSWER-exfoliating corrosion
, Where two dissimilar metals joined in a structure and corrosion forms on one of
them, it is usually a form of ___ corrosion. - CORRECT ANSWER-galvanic
Oxygen concentration cell corrosion forms where there is ____ oxygen.
too much
too little - CORRECT ANSWER-too little
Metallic ion concentration cell corrosion forms in ___ areas.
open
closed - CORRECT ANSWER-Open
Stress corrosion may occur when the metal is subjectged to ____ stress in the
presence of a corrosive environment. - CORRECT ANSWER-tensile
Rivet "smoking" is an indication of what type of corrosion? - CORRECT
ANSWER-fretting corrosion
Filiform corrosion forms mostly under a _____ _____ finish. - CORRECT
ANSWER-polyurethane enamel
While both matericals will corrode metal, aluminum alloys are more vulnerable to
....
acids
alkalis - CORRECT ANSWER-alkalis
