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Properties & Uses of Aluminium

An alloy of ...

Question

An alloy of $A l$ containing least percentage of $A l$ is:

A

Magnalium

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B

Aluminium bronze

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C

Duralumin

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D

γ

-alloy

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Solution

The correct option is B Aluminium bronze
Aluminium bronze contains 5-11% of aluminium.
Other are the alloys of aluminium, hence having major constituent as aluminium (by mass).

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An alloy needs to contain between $46 %$ copper and $50 %$ copper. Find the least and greatest
amounts of a $60 %$ copper alloy that should be mixed with a $40 %$ copper alloy in order to end up with thirty pounds of an alloy containing an allowable percentage of copper.

Q. If 1 kg of an alloy contains 0.5 kg of iron, find the percentage of iron in the alloy.

2.72

g of an alloy containing

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Q. Aluminium bronze and duralumin are the alloys of Al containing x% and y% Al metal
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Q. Type -I Type -II
A. Magnalium 1. Mg, Mn, Cu and Al
B. Aluminium bronze 2. Al, Cu
C. Duralumin 3. Mg, Ni, Cu, Al
D.

γ

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The correct match is:

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