What are the constituents of bronze?

This question was previously asked in
RRC Group D Previous Paper 39 (Held On: 12 Oct 2018 Shift 3)
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  1. Al + Cu + Mn + Mg
  2. Cu + Zn
  3. Cu + Sn
  4. Pb + Sn

Answer (Detailed Solution Below)

Option 3 : Cu + Sn
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Detailed Solution

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The correct answer is Cu + Sn.

 Additional Information

  • An alloy is a homogenous mixture of two or more metals, or a metal and a non-metal. 
  • Cu + Zn alloy called Brass. It is used where low friction and corrosion resistance is required, such as locks, hinges, gears, bearings, hose couplings, valves, etc. 
  • Cu + Sn alloy called Bronze, are not good conductors of electricity. whereas copper is used for making electrical circuits.
  • Pb + Sn alloy called Solder has a low melting point and is used for welding electrical wires together.
  • Al + Cu + Mn + Mg alloy called Duralumin. It is strong, hard, lightweight, an alloy of aluminium. It is used for aircraft construction.
  • Al - aluminium, Cu - copper, Mn- manganese, Mg- magnesium, Pb- lead, Zn- zinc, Sn- tin.
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