Question

Which of the following is not a property of cast iron?

(a) Cast iron is hard but brittle

(b) Cast iron can be magnetised

(c) It does not rust readily

(d) Cast iron is not ductile

This question was addressed to me in class test.

Asked question is from Ferrous Metals in portion Air Conditioning, Thermal Insulation, Stones & Ferrous Metals of Construction & Building Materials

Answer 1

Correct option is (b) Cast iron can be magnetised

Explanation: Cast iron is hard but brittle. It is not ductile and does not rust readily. Cast iron cannot be magnetised.