Corrosion Engineering Materials Metals Alloys 1 Online Exam Quiz
Corrosion Engineering Materials Metals Alloys 1 GK Quiz. Question and Answers related to Corrosion Engineering Materials Metals Alloys 1. MCQ (Multiple Choice Questions with answers about Corrosion Engineering Materials Metals Alloys 1
What is the composition of high-silicon cast iron named Durichlor that has the highest corrosion resistance among cast irons?
Options
A : 14% silicon, 0.95% carbon and 3% molybdenum
B : 10% silicon, 1% carbon and 3% molybdenum
C : 14% silicon and 0.95% carbon
D : 10% silicon and 1% carbon
Which of the following metal/alloy has the highest stress-corrosion resistance?
Options
A : Aluminum
B : Inconel
C : Stainless steel
D : Titanium
Which of the following are the parameters of the iron-carbon diagram on the x and y-axis respectively?
Options
A : Carbon percentage and Iron percentage
B : Carbon percentage and temperature
C : Temperature and carbon percentage
D : Iron percentage and temperature
Which of the following is/are the types of cast irons?
Options
A : Gray cast iron
B : Malleable cast iron
C : Nodular cast iron
D : Gray cast iron, malleable cast iron, and nodular cast iron
Which of the following properties of aluminum contributing to its widespread applications?
Options
A : High corrosive resistance
B : Good strength-weight ratio
C : Nontoxic corrosion products
D : High corrosive resistance, good strength-weight ratio, and nontoxic corrosion products
Which of the following is not a mechanical property of a metal?
Options
A : Impact strength
B : Creep strength
C : Modulus of elasticity
D : Stress-rupture
Which of the following metal is/are regarded as pure iron commercially?
Options
A : Ingot iron
B : Armco iron
C : Wrought iron
D : Ingot and Armco iron
Which of the following statements are correct regarding the austenite phase in an iron-carbon phase diagram?
Options
A : It is non-magnetic in nature
B : The maximum percentage of carbon is 2.1%
C : It has a face-centered cubic structure
D : The austenitic phase has a face-centered cubic structure with a 2.1% maximum percent carbon and non-magnetic in nature.
Which of the following corrosion products of lead serve as protective films?
Options
A : Lead sulfates
B : Lead oxides
C : Lead phosphates
D : Sulfates, oxides, and phosphates of lead
Which of the following is/are the classification types of stainless steel?
Options
A : Martensitic stainless steels
B : Ferritic stainless steels
C : Austenitic stainless steels
D : Martensitic, ferritic and austenitic stainless steels
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