Corrosion Engineering Questions Bank Online Exam Quiz
Corrosion Engineering Questions Bank GK Quiz. Question and Answers related to Corrosion Engineering Questions Bank. MCQ (Multiple Choice Questions with answers about Corrosion Engineering Questions Bank
What is the packing fraction of a crystal structure that is depicted in the given figure?
Options
A : 0.74
B : 0.52
C : 0.68
D : 0.77
What is the composition of aqua-regia that corrodes noble metals such as platinum, gold?
Options
A : 3 parts of nitric acid and 1 part of hydrochloric acid
B : 3 parts of hydrochloric acid and 1 part of nitric acid
C : 1 part of hydrofluoric acid and 3 part of hydrochloric acid
D : 3 parts of hydrofluoric acid and 1 part of hydrochloric acid
What is the abbreviation of BMG regarding the type of materials?
Options
A : Bulk metallic groups
B : Bulk metallic glasses
C : Body metallic glasses
D : Body metallic groups
Which of the following metal plating is used for high-strength steels in aircraft to improve resistance to corrosion fatigue?
Options
A : Cadmium
B : Magnesium
C : Zinc
D : Lead
Which of the following metals has a Hexagonal closed packed structure?
Options
A : Cadmium
B : Magnesium
C : Zirconium
D : Cadmium, magnesium, and zirconium
Which of the following metal is/are corrosion resistant to hydrofluoric acid?
Options
A : Hastelloy C
B : Monel
C : Hastelloy C and Monel
D : Titanium
Which of the following metals are regarded as noble metals?
Options
A : Iridium
B : Palladium
C : Ruthenium
D : Iridium, palladium, and ruthenium
Which of the following metals that usually results in a porous and volatile oxide layer?
Options
A : Magnesium
B : Molybdenum
C : Sodium
D : Magnesium, sodium, and molybdenum
Which of the following metals are regarded as refractory metals?
Options
A : Niobium and tungsten
B : Molybdenum only
C : Niobium, molybdenum, and tungsten
D : Tungsten and molybdenum only
Which of the following characteristics of titanium that account for much of its application in corrosive services?
Options
A : Resistance to seawater and other chloride salt solutions
B : Resistance to hypochlorite’s and wet chlorine
C : Resistance to fuming nitric acid
D : Resistance to seawater, chloride salt solutions, hypochlorite’s, wet chlorine and fuming nitric acid
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