Explore topic-wise MCQs in Engineering Materials Metallurgy.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Materials Metallurgy knowledge and support exam preparation. Choose a topic below to get started.

1.

CYANIDING_IS_CARRIED_OUT_AT_A_TEMPERATURE_OF____________?$

A. 175<sup>o</sup>C
B. 500<sup>o</sup>C
C. 950<sup>o</sup>C
D. 1300<sup>o</sup>C
Answer» D. 1300<sup>o</sup>C
Discussion
2.

Cyaniding is usually done for ________?

A. Plain carbon steels
B. Cast irons
C. Stainless steels
D. Pig iron
Answer» B. Cast irons
Discussion
3.

Which of the following is not applicable for nitriding process?

A. Surface formed is extremely hard
B. Minimized cracking and distortion
C. Expensive
D. High-temperature treatment
Answer» E.
Discussion
4.

Why is atmospheric nitrogen inappropriate for use in the nitriding process?

A. Cannot be heated
B. Insufficient density
C. Inability to be absorbed
D. Expensive process
Answer» D. Expensive process
Discussion
5.

How long should a steel component be heat treated before nitriding?

A. 5-20 hours
B. 40-100 hours
C. 100-200 hours
D. 300-500 hours
Answer» C. 100-200 hours
Discussion
6.

What is necessary to be done before the nitriding process?

A. Heat Treatment
B. Washing the material
C. Chamfering of sample
D. Shaping of material
Answer» B. Washing the material
Discussion
7.

Why is nitriding not used for plain carbon steels?

A. Formation of oxides
B. Formation of cracks
C. Formation of iron nitrides
D. Formation of spots
Answer» D. Formation of spots
Discussion
8.

Which of the following is required for nitriding process?

A. Carbon
B. Nitralloy
C. Niobium
D. Zirconium
Answer» C. Niobium
Discussion
9.

Nitriding involves the addition of ___________ for the hardening of surface.

A. Nitrogen
B. Nichrome
C. Neon
D. Niobium
Answer» B. Nichrome
Discussion