Engineering Chemistry Galvanic Series Online Exam Quiz
Engineering Chemistry Galvanic Series GK Quiz. Question and Answers related to Engineering Chemistry Galvanic Series. MCQ (Multiple Choice Questions with answers about Engineering Chemistry Galvanic Series
The thickness of the protective film in passivation is about ____________
Options
A : 1 mm
B : 0.02 mm
C : 0.0004 mm
D : 0.004 mm
Galvanic series gives real and useful information regarding the ____________
Options
A : Electrical conductivity of metals and alloys
B : Thermal conductivity of metals and alloys
C : Corrosion behaviour of metals and alloys
D : Oxidation power of metals and alloys
The phenomenon by which a metal or alloy show high corrosion resistance due to the formation of the highly protective film is called ____________
Options
A : Electrolysis
B : Electrodialysis
C : Galvanisation
D : Passivation
Which of the following is the most noble metal?
Options
A : Gold
B : Graphite
C : Titanium
D : Platinum
Which electrode is used for measuring electrode potential as a standard electrode in galvanic series?
Options
A : Hydrogen electrode
B : Calomel electrode
C : Oxygen electrode
D : Nitrogen electrode
As the distance between the two metals increases in the galvanic series, the degree of corrosion ____________
Options
A : Increases
B : Decreases
C : Remains same
D : First increases then decreases
Which of the following is the least noble metal?
Options
A : Magnesium
B : Brass
C : Aluminium
D : Nickel
Which of the following metals are protected metals?
Options
A : Present at the top
B : Present at the middle
C : Present at the bottom
D : Both present at the top and the bottom
The galvanic series predicts the relative displacement tendencies of metals and non-metals in electrolytes containing a particular concentration of salts.
Options
A : True
B : False
C :
D :
Arrange the following in the ascending order of their degree of corrosion.
Options
A : Zinc >> Magnesium >> Copper >> Lead >> Aluminium
B : Copper >> Lead >> Aluminium >> Zinc >> Magnesium
C : Zinc >> Magnesium >> Lead >> Copper >> Aluminium
D : Copper >> Aluminium >> Zinc >> Lead >> Magnesium
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