This set of Materials Science Multiple Choice Questions & Answers (MCQs) focuses on “Types of Metal Alloys”.
1. 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. Which of the following is an alloy of lead?
a) Vitallium
b) Brass
c) Invar
d) Solder
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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. 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. Which of the following is an alloy of copper?
a) Vitallium
b) Brass
c) Invar
d) Solder
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Explanation: Brass is an alloy of copper. The alloying element in brass is zinc. It is used for making a variety of ornaments.
5. 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. 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. 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. 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. 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. 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.
Sanfoundry Global Education & Learning Series – Materials Science.
To practice all areas of Materials Science, here is complete set of 1000+ Multiple Choice Questions and Answers.
