Mechanical Engineering - Engineering Materials - Discussion

Discussion Forum : Engineering Materials - Section 2 (Q.No. 2)
2.
The hardness of steel depends upon the
amount of cementite it contains
amount of carbon it contains
contents of alloying elements
method of manufacture of steel
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
32 comments Page 3 of 4.

Mech said:   7 years ago
(b) is the correct answer because in question steel is give and for steel it is carbon. But for cast iron cementite is used.

Shivaprasad said:   7 years ago
Amount of cementite it contains imparts of hardness. I think correct answer is A.

Reuben George said:   7 years ago
According to me, the hardness of steel depends on carbon content.

Naveen said:   7 years ago
I think the amount of cementite contains is the correct answer.

Sid said:   7 years ago
The correct Answer will be C.

Haie said:   6 years ago
Option C is right.

DARSHAN S B said:   6 years ago
I think carbon increase hardness of cast iron.

But cementite increase hardness of steel.
(1)

Sai said:   6 years ago
In Rs khurmi book also he said the amount of cementite is given. So cementite is right.
(1)

G Reddy said:   5 years ago
Carbon increases the hardness of iron.

Cementite increases the hardness of steel.
(1)

Neeraj said:   5 years ago
Hardness of steel depends upon the amount of carbon present and heat treatment.


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