ESE 2024Q65
Q: Consider the following statements regarding cast iron: 1. Gray cast irons can be classified depending on the shape of graphite that may be present in the form of either flakes or globules. 2. A class of cast iron known as Malleable obtained by treating molten metal by calcium silicide. 3. Meehanite cast irons have graphite nodules but are produced by heat treating white cast irons. Which of the above statements are NOT correct?
(a)1 and 2 only
(b)1 and 3 only
(c)2 and 3 only
(d)1, 2 and 3
Answer pending verification