Explore topic-wise MCQs in Engineering Materials Metallurgy.

This section includes 19 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.

Which rolling mill does the following figure illustrate?

A. Three-high
B. Four-high
C. Cluster
D. Tandem
Answer» E.
Discussion
2.

What is the hot rolling temperature of mild steel?

A. 200oC
B. 450oC
C. 1000oC
D. 1200oC
Answer» D. 1200oC
Discussion
3.

Which of the following is a hot working process?

A. Stamping
B. Squeezing
C. Forging
D. Bending
Answer» D. Bending
Discussion
4.

Which of the following is a drawback of cold working?

A. Oxide formation
B. Surface scaling
C. Decarburization
D. Low ductility
Answer» E.
Discussion
5.

Liquid oxygen is produced by ____________ method.

A. Batch distillation
B. Steam distillation
C. Extractive distillation
D. Fractional distillation
Answer» E.
Discussion
6.

WHICH_OF_THE_FOLLOWING_IS_A_DRAWBACK_OF_COLD_WORKING??$

A. Oxide formation
B. Surface scaling
C. Decarburization
D. Low ductility
Answer» E.
Discussion
7.

What is the hot rolling temperature of mild steel?$

A. 200<sup>o</sup>C
B. 450<sup>o</sup>C
C. 1000<sup>o</sup>C
D. 1200<sup>o</sup>C
Answer» D. 1200<sup>o</sup>C
Discussion
8.

Which_of_the_following_is_a_hot_working_process?$

A. Stamping
B. Squeezing
C. Forging
D. Bending
Answer» D. Bending
Discussion
9.

__________ involves hammering of heated bars inside closed impression dies.

A. Press forging
B. Drop forging
C. Hammer forging
D. Upset forging
Answer» C. Hammer forging
Discussion
10.

Which of the following is a characteristic of hot rolling?

A. Refines grain structure
B. Economic
C. Slow speed
D. Uniform size
Answer» D. Uniform size
Discussion
11.

Cold forging is done for _________

A. Improving strength and hardness
B. Adding forging scale
C. Eliminating carburization
D. Rough surface finish
Answer» B. Adding forging scale
Discussion
12.

Which of the following is an application of hot working?

A. Shapes the metal
B. Finishing
C. Thinning of material
D. Dimensional accuracy
Answer» B. Finishing
Discussion
13.

How does hot working affect grain structure?

A. Refines it
B. Distorts it
C. Warps it
D. Has no effect
Answer» B. Distorts it
Discussion
14.

Cold working is generally carried out __________

A. Below melting point
B. Above recrystallization temperature
C. At room temperature
D. Cryogenic temperature
Answer» D. Cryogenic temperature
Discussion
15.

How can cryogenic temperatures lower than 30,000K be measured?

A. Silicon diode
B. Calorimeter
C. Superconducting granules
D. Roton detector
Answer» B. Calorimeter
Discussion
16.

What is the appearance of liquid nitrogen?

A. Yellow
B. Colorless
C. Bluish-gray
D. Black
Answer» C. Bluish-gray
Discussion
17.

Liquid oxygen is produced by ____________ method

A. Batch distillation
B. Steam distillation
C. Extractive distillation
D. Fractional distillation
Answer» E.
Discussion
18.

What is the boiling point of nitrogen?

A. 20.27
B. 27.09
C. 77.36
D. 111.7
Answer» D. 111.7
Discussion
19.

Cryogenics deal with temperatures around _________

A. -50<sup>o</sup>C
B. -90<sup>o</sup>C
C. -180<sup>o</sup>C
D. -250<sup>o</sup>C
Answer» D. -250<sup>o</sup>C
Discussion