Building Materials

Q1: Cast iron contains carbon approximately

A 1.5% to 5.5%

B 0.05% to 1.75%

C 0.250%

D none to these.

ANS:A - 1.5% to 5.5%

(2.5"4.0% carbon)
Cast iron.
Iron-carbon alloys.
Carbon content greater than 2%.

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