Engineering Materials
The main alloying elements high speed steel in order of increasing proportion are

Vanadium, chromium, tungsten
Tungsten, titanium, vanadium
Tungsten, chromium, titanium
Chromium, titanium, vanadium

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Engineering Materials
Pick up wrong statement about wrought iron

It melts at 1535°C
It contains carbon of the order of 0 to 0.25%
It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling
It is very soft and ductile

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