This set of Manufacturing Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Non-Ferrous Metal”.
1. Alloy of copper and zinc is known as :
a) Brass
b) Bronze
c) Duralium
d) Nichrome
View Answer
Explanation: Brass contains 50% copper and 50% zinc. Brass is the alloy of copper and zinc. It has good property of corrosion resistance.
2. Alloy of Ni and Fe is known as :
a) Brass
b) Bronze
c) Duralium
d) Invar
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Explanation: Invar contains 36% nickel and 64% iron. Invar is the alloy of Nickel and iron. It has the property of good hardness.
3. Major constituent of the gun metal alloy is :
a) Copper
b) Nickel
c) Iron
d) Zinc
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Explanation: Gun metal contains 83% copper and 2% zinc and 10% tin. Gun metal is alloy of copper, zinc and tin, where copper is the base metal.
4. Major constituent of Mutz metal alloy is :
a) Copper
b) Nickel
c) Iron
d) Zinc
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Explanation: Mutz metal contains 60% copper and 40% zinc. Mutz metal is the alloy of copper and zinc, where copper is the base metal.
5. Major constituent of Nichrome alloy is :
a) Copper
b) Nickel
c) Iron
d) Zinc
View Answer
Explanation: Nichrome contains 80% nickel and 20% chromium. Nichrome is the alloy of nickel and chromium where nickel is the base metal.
6. Major constituent of Constantan alloy is :
a) Copper
b) Nickel
c) Iron
d) Zinc
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Explanation: Constantan contains 60% copper and 40% nickel. Constantan is the alloy of copper and nickel, where copper is the base metal.
7. Major constituent of Elektron alloy is :
a) Copper
b) Nickel
c) Magnesium
d) Zinc
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Explanation: Elektron contains 3-12% aluminum and 2% zinc, 0.03% manganese and rest is magnesium. It is very light alloy and used where weight is the major consideration in design.
8. Which of the following alloy is widely used in thermo couples?
a) Brass
b) Bronze
c) Duralium
d) Nichrome
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Explanation: Nichrome contains 80% nickel and 20% chromium and used in thermo couples and strain gauges. Nichrome is a good resistance material to electricity.
9. Major constituent of Duralium alloy is :
a) Copper
b) Nickel
c) Iron
d) Aluminum
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Explanation: Aluminum is the major constituent of Duralium alloy. Duralium is very light alloy and used where weight is the major consideration of design.
10. What is the approximate percentage of Lead in soft solder?
a) 60
b) 50
c) 90
d) 99.02
View Answer
Explanation: Soft solder contains 50% lead and 50% tin. It is used in a fabrication process of two material at a temperature below 450 degree centigrade.
Sanfoundry Global Education & Learning Series – Manufacturing Engineering.
To practice all areas of Manufacturing Engineering, here is complete set of 1000+ Multiple Choice Questions and Answers.
