Mechanical Engineering - Engineering Materials

1.
Which of the following is a case hardening process?
Carburising
Cyaniding
Nitriding
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
In a crystalline material, atoms are arranged in definite and orderly manner and form.
Agree
Disagree
Answer: Option
Explanation:
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3.
The austenitic stainless steel contains
18% chromium and 8% nickel
8% chromium and 18% nickel
14% chromium and 0.35% carbon
14% nickel and 0.35% carbon
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
The process used for relieving the internal stresses previously set up in the Metal and for increasing the machinability of steel, is
normalising
full annealing
process annealing
spheroidising
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
Steel containing upto 0.15% carbon, is known as
mild steel
dead mild steel
medium carbon steel
high carbon steel
Answer: Option
Explanation:
No answer description is available. Let's discuss.