Chilled cast iron is _______.
soft on surface
machined freely
high
resistance to wear
all
options are correct
high
resistance to wear
Chilled
cast iron cannot be easily machined.
Hence, the correct option is (C).
&Key Points:-
●When
a localized area of grey cast iron is cooled very rapidly from the melt, cast
iron is formed at the place that has been cooled. This type of white cast iron
is called chilled cast iron.
●Chilled
cast iron has outer surface hard and inner surface soft.
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