A Trivia Quiz On Types Of Aluminium Alloy!

10 Questions | By Gapher | Last updated: Mar 19, 2022 | Total Attempts: 170

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A Trivia Quiz On Types Of Aluminium Alloy! - Quiz

An alloy can be formed from the combination of two different metals or a metal and another element. As a result of this an aluminum alloy can be in different forms or types. Take this quiz and find out if the types of aluminum alloy you were thinking of is true.

Questions and Answers

1.

1XX.X designation is given to ___________ type of aluminium alloys.
- A.
  
  Wrought
- B.
  
  Cast
- C.
  
  Copper containing
- D.
  
  Silicon containing
2.

Which of these is unused in 4-digit designation of aluminium alloys?
- A.
  
  3XX.X
- B.
  
  4XX.X
- C.
  
  5XX.X
- D.
  
  6XX.X
3.

Magnesium decreases __________ of Al alloys.
- A.
  
  Machineablilty
- B.
  
  Weldability
- C.
  
  Density
- D.
  
  Ductility
4.

Cu is usually kept ___________ in non-heat treatable wrought alloys to avoid formation of insoluble intermetallic phases.
- A.
  
  <0.1
- B.
  
  >0.1
- C.
  
  <0.3
- D.
  
  >0.3
5.

The strongest aluminium alloys are produced by ___________ .
- A.
  
  Grain Boundary Strengthening
- B.
  
  Age hardening
- C.
  
  Solid solution strengthening
- D.
  
  Strain hardening
6.

____________ causes hot cracking in 5XXX alloys.
- A.
  
  Sodium
- B.
  
  Zirconium
- C.
  
  Strontium
- D.
  
  Zinc
7.

Nickel and Chromium _________ and ________ corrosion resistance respectively.
- A.
  
  Improve, decrease
- B.
  
  Decrease, improve
- C.
  
  Improve, improve
- D.
  
  Decrease, decrease
8.

Non heat-treatable alloys can be ________ to increase strength.
- A.
  
  Strain hardened
- B.
  
  Hot worked
- C.
  
  Cold worked
- D.
  
  All of the above
9.

Grain refinement in Al alloys is achieved by :
- A.
  
  Fast cooling of melt
- B.
  
  Adding grain refinement elements
- C.
  
  Cold working
- D.
  
  All of the above
10.

Silicon :
- A.
  
  Reduces fluidity
- B.
  
  Reduces corrosion resistance
- C.
  
  Increases thermal expansion coefficient
- D.
  
  None of the above

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