The gas used for inflating the tyres of aeroplanes is

Which inert gas is used for inflating tyres ?

How can we save petrol by properly inflating the tyres of vehicles ?Explain.

Why is the quantity of air required to inflate the tyre of a car in summer less than that required in winter?

Which alloy is used in the manufacturing of aeroplane?

Which alloy is used in the manufacturing of aeroplane?