MCQ - Mechanical TNPSC JTO
JTO - 436 - Fitter - 436 - Unit VIII Metals Metal Non Metal
Which of the following metals is most suitable for making electric wires?
Aluminium is often alloyed with copper, magnesium, and manganese to form ______.
The protective oxide film that forms naturally on aluminium is ______.
Lead is not suitable for structural applications because it is ______.
White metal used for bearings generally contains ______.
Which of the following alloys contains zinc as the major alloying element?
Bronze is harder and stronger than pure copper because it contains ______.
Aluminium is used for making overhead transmission lines because it is ______.
Lead pipes were used in old plumbing systems, but discontinued mainly because of ______.
Aluminium is used in food packaging industries in the form of ______.
Which non-ferrous metal is highly resistant to atmospheric corrosion?
Heat treatment of steels is done to mainly improve ______.
The structure of plain carbon steel mainly depends upon ______.
Annealing of steel is carried out by heating and cooling ______.