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All questions of Alloy for JAMB Exam
Which of the following is an example of a non-ferrous alloy?- a)Brass
- b)Cast iron
- c)Steel
- d)Wrought iron
Correct answer is option 'A'. Can you explain this answer?
Which of the following is an example of a non-ferrous alloy?
a)
Brass
b)
Cast iron
c)
Steel
d)
Wrought iron
|
Deepak Iyer answered |
Brass is a non-ferrous alloy composed of copper and zinc.
Duralumin is an alloy that contains:- a)Aluminum and zinc
- b)Aluminum and copper
- c)Aluminum and magnesium
- d)Aluminum and iron
Correct answer is option 'C'. Can you explain this answer?
Duralumin is an alloy that contains:
a)
Aluminum and zinc
b)
Aluminum and copper
c)
Aluminum and magnesium
d)
Aluminum and iron
|
|
Deepak Iyer answered |
Duralumin is an aluminum-based alloy that contains copper and magnesium, known for its lightweight and high strength.
Permallory is an alloy used in:- a)Electrical wires
- b)Aircraft construction
- c)Dental fillings
- d)Magnetic materials
Correct answer is option 'D'. Can you explain this answer?
Permallory is an alloy used in:
a)
Electrical wires
b)
Aircraft construction
c)
Dental fillings
d)
Magnetic materials
|
|
Deepak Iyer answered |
Permallory is an alloy used in the production of magnetic materials, such as permanent magnets.
Which of the following alloys is commonly used for making musical instruments?- a)Stainless steel
- b)Brass
- c)Bronze
- d)Duralumin
Correct answer is option 'B'. Can you explain this answer?
Which of the following alloys is commonly used for making musical instruments?
a)
Stainless steel
b)
Brass
c)
Bronze
d)
Duralumin
|
|
Deepak Iyer answered |
Brass is a commonly used alloy for making musical instruments due to its acoustic properties.
Which of the following best defines an alloy?- a)A pure substance composed of a single element.
- b)A mixture of two or more elements, with at least one being a metal.
- c)A compound formed by the reaction of a metal with a non-metal.
- d)A mixture of two or more non-metals.
Correct answer is option 'B'. Can you explain this answer?
Which of the following best defines an alloy?
a)
A pure substance composed of a single element.
b)
A mixture of two or more elements, with at least one being a metal.
c)
A compound formed by the reaction of a metal with a non-metal.
d)
A mixture of two or more non-metals.
|
|
Deepak Iyer answered |
Alloys are mixtures of two or more elements, with at least one being a metal.
Bronze is an alloy of:- a)Copper and zinc
- b)Copper and tin
- c)Copper and aluminum
- d)Copper and lead
Correct answer is option 'B'. Can you explain this answer?
Bronze is an alloy of:
a)
Copper and zinc
b)
Copper and tin
c)
Copper and aluminum
d)
Copper and lead
|
|
Deepak Iyer answered |
Bronze is an alloy of copper and tin, commonly used in sculptures and musical instruments.
Soft solder is mainly composed of:- a)Copper and tin
- b)Copper and zinc
- c)Lead and tin
- d)Zinc and tin
Correct answer is option 'C'. Can you explain this answer?
Soft solder is mainly composed of:
a)
Copper and tin
b)
Copper and zinc
c)
Lead and tin
d)
Zinc and tin
|
Sun Ray Institute answered |
The main composition of soft solder is:
- Primarily made of lead and tin.
- Used in electronics and plumbing for its low melting point.
- Ensures strong, reliable joints between metal surfaces.
Alnico is an alloy commonly used in the production of:- a)Jewelry
- b)Kitchen utensils
- c)Permanent magnets
- d)Musical instruments
Correct answer is option 'C'. Can you explain this answer?
Alnico is an alloy commonly used in the production of:
a)
Jewelry
b)
Kitchen utensils
c)
Permanent magnets
d)
Musical instruments
|
|
Deepak Iyer answered |
Alnico is an alloy used for making permanent magnets, commonly found in speakers and electric motors.
Which of the following is an example of an alloy?- a)Iron
- b)Copper
- c)Gold
- d)Bronze
Correct answer is option 'D'. Can you explain this answer?
Which of the following is an example of an alloy?
a)
Iron
b)
Copper
c)
Gold
d)
Bronze
|
|
Deepak Iyer answered |
Bronze is an example of an alloy, as it is a mixture of copper and tin.
Stainless steel is primarily composed of:- a)Iron and carbon
- b)Iron and nickel
- c)Iron and chromium
- d)Iron and aluminum
Correct answer is option 'C'. Can you explain this answer?
Stainless steel is primarily composed of:
a)
Iron and carbon
b)
Iron and nickel
c)
Iron and chromium
d)
Iron and aluminum
|
|
Deepak Iyer answered |
Stainless steel is primarily composed of iron and chromium, which provide its corrosion resistance.
Chapter doubts & questions for Alloy - Chemistry for JAMB 2025 is part of JAMB exam preparation. The chapters have been prepared according to the JAMB exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for JAMB 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.
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