Engineering Questions with Answers - Multiple Choice Questions
Materials Science MCQ’s – Types of Metal Alloys
1 - Question
Which of the following is an alloy of iron?
a) Vitallium
b) Brass
c) Invar
d) Solder
View Answer
Explanation: Invar is an alloy of iron. In this the alloying element is nickel and this alloy has a very low coefficient of thermal expansion.
2 - Question
Which of the following is an alloy of lead?
a) Vitallium
b) Brass
c) Invar
d) Solder
View Answer
Explanation: Solder is an alloy of lead. The alloying element is tin mainly, it is used for electrical connection by melting and fusing to form a permanent bond between two metal pieces.
3 - Question
Which of the following is an alloy of cobalt?
a) Vitallium
b) Brass
c) Invar
d) Solder
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Explanation: Vitallium is an alloy of cobalt. The alloying elements are chromium and molydenum. It is used for components of turbochargers because of its high thermal resistance.
4 - Question
Which of the following is an alloy of copper?
a) Vitallium
b) Brass
c) Invar
d) Solder
View Answer
Explanation: Brass is an alloy of copper. The alloying element in brass is zinc. It is used for making a variety of ornaments.
5 - Question
Which of the following is not a non-ferrous metal?
a) Aluminium
b) Lead
c) Zinc
d) Iron
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Explanation: Ferrous metals are metals or alloys which contain iron as an element in it. Therefore cast iron is the only ferrous metal among the given options.
6 - Question
What are alloys with two components called?
a) Binary alloy
b) Ternary alloy
c) Quaternary alloy
d) There is no name given to an alloy with two components
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Explanation: Alloys with two components are called binary alloy, while those with three components are called ternary alloy and alloys with 4 components are called quaternary alloy.
7 - Question
Substitutional alloy and interstitial alloys are types of alloys.
a) True
b) False
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Explanation: The above statement is true. Substitutional alloy and interstitial alloys are types of alloys.
8 - Question
What is sterling silver used for?
a) casting of firearms
b) used for making musical instruments
c) used for making springs
d) used for joining two metals
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Explanation: Sterling silver is an alloy which is used for making musical instruments such as flute and saxophone. It is also used for making cutlery.
9 - Question
Bronze is used for making medals.
a) True
b) False
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Explanation: Bronze is an alloy with base metal as copper and is used for making medals and some musical instruments.
10 - Question
Which of the following alloy is used for making castings of firearm chamber?
a) Brass
b) Wood’s metal
c) Brass
d) Steel
View Answer
Explanation: Wood’s metal is used for making a casting of firearm chambers by the maker of guns.