Chilled cast iron has

A No graphite
B A very high percentage of graphite
C A low percentage of graphite
D Graphite as its basic constituent of composition

Correct Answer: No graphite

Chilled cast iron. Iron-carbon alloy with low graphitization factor so that chill occurs forming a graphite-free structure.
The carbon is present bonded in the form of iron carbide, which is why the break surface of the material appears whitish instead of gray.
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Related Questions

__________ iron is produced, when molten pig iron is chilled suddenly.
A White cast
B Grey cast
C Wrought
D None of these
When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron.
A Cementite
B Free graphite
C Both A and B
D None of these
White cast iron as compared to grey cast iron is
A More durable
B Very brittle
C Very hard
D All of the above
When carbon in the cast iron is principally in the form of graphite, the cast iron will be of
A Brown colour
B Yellow colour
C White colour
D Grey colour
Nodular cast iron is produced by adding ________ to the molten cast iron.
A Nickel
B Chromium
C Copper
D Magnesium
An important property of malleable cast iron in comparison to grey cast iron is the high
A Compressive strength
B Ductility
C Carbon content
D Hardness
__________ of grey cast iron produces white cast iron.
A Tempering
B Rapid heating
C Rapid cooling
D Slow cooling
Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.
A Manganese
B Phosphorous
C Magnesium
D Chromium
Chilled iron castings are
A Easily machinable
B Soft on surface
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D None of these
They treated me - I were a chilled
A when
B like
C as
D as if

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