Mechanical Engineering - Engineering Materials - Discussion

Discussion Forum : Engineering Materials - Section 2 (Q.No. 12)
12.
Grey cast iron has
carbon in the form of free graphite
high tensile strength
low compressive strength
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
10 comments Page 1 of 1.

GOPAL MANDAL said:   9 months ago
Grey cast iron has high compressive strength and low tensile strength.

Rajesh KUMAR said:   6 years ago
Grey cast iron has less tensile strength and shock resistance than most other castings or even steal, it has a compressive strength that is comparable to low- and medium-carbon steel.

Jeeva said:   6 years ago
No, the Answer should be D.

Grey cast iron & nodular cast iron has low compression & high tensile strength - Ductile.

Dhaval Chaudhary said:   7 years ago
I agree, Answer A is right.

Rsmesh said:   8 years ago
Answer A is absolutely right, because grey cast iron as high compressive strength and low tensile strength whereas white cast iron as high tensile strength and low compressive strength.
(1)

Rajeev said:   8 years ago
The Answer should be D.

Ugwu Gabriel said:   8 years ago
Grey cast iron has low tensile strength and high compressive strength, therefore, its impact and shock resistance is almost non-existence.

Aks said:   9 years ago
Grey cast iron has high tensile strength and low compressive strength also.

So why option D is not an Answer?

Chodipilli masenu said:   9 years ago
What is the composition of Grey cast iron?

Anies said:   10 years ago
Gray iron, or grey cast iron, is a type of cast iron that has a graphitic microstructure. It is named after the gray color of the fracture it forms, which is due to the presence of graphite. It is the most common cast iron and the most widely used cast material based on weight.

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