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Minerals, Ores and their Formation

To design the...

Question

To design the body of aircraft, aluminium alloys are used. Give your reasons.

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Solution

To design the body of the aircraft, aluminium alloys are used because of the following properties:
i) light weight
ii) high tensile strength
iii) resistant to corrosion

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Q. Why aluminum alloys are used to design the body of an aircraft? Give reasons.

Q. Aluminium alloys are widely used in aircraft and ships because of :

Give reasons:

(i) Conc. HNO₃ can be transported in aluminium container.

(ii) A mixture of dilute NaOH and aluminium pieces is used to open drain.

(iii) Graphite is used as lubricant.

(iv) Diamond is used as an abrasive.

(v) Aluminium alloys are used to make aircraft body.

(vi) Aluminium utensils should not be kept in water overnight.

(vii) Aluminium wire is used to make transmission cables.

Q. Give the names and composition of alloys that are used for the following.
(a) making statues
(b) joining wires in electronic equipments
(c) making surgical instruments
(d) making bodies of aircrafts
(e) making accurate laboratory balances
(f) making bodies of ships

Q. Assertion :Alloys of aluminium are used in the manufacturing of automotive engine part, electrical equipments etc . Reason: Alloys of aluminium are good conductor and more strong.

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