The correct sequence of the given materials ascending order of their weldability is:

MS, copper, cast iron, aluminium

Cast iron, MS, aluminium copper

Aluminium, copper, cast iron, MS

The correct sequence of the given materials ascending order of

1.	The correct sequence of the given materials ascending order of their weldability is:
A.	MS, copper, cast iron, aluminium
B.	Cast iron, MS, aluminium copper
C.	1 and 4 are correct
D.	Aluminium, copper, cast iron, MS
Answer» E.

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The correct sequence of the given materials ascending order of their weldability is:

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