Related Questions

__________ 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
As compared to cast iron pipes, steel pipes are
A Heavier
B Stronger
C Costlier
D Less susceptible to corrosion
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
"Detachable" in line 02 means the same as :
A removable
B changeable
C digital
D new
Cast iron and steel pipes are produced by __________ casting.
A Die
B Investment
C Slush
D True centrifugal

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