Metallurgical Engineering Gate Yearwise 



Metallurgical Engineering Gate 2023 Questions with Answer

Ques 40 GATE 2023

Taking S as entropy, T as temperature, P as pressure, and V as volume, match Column I with Column II.

A

A-2, B-1, C-3, D-4

B

A-4, B-3, C-2, D-1

C

A-3, B-1, C-4, D-2

D

A-2, B-1, C-4, D-3


(d) is the correct answer.

Ques 41 GATE 2023

Match the transport processes in Column I with the relationships in Column II.

A

P-2, Q-3, R-4, S-1

B

P-4, Q-3, R-2, S-1

C

P-3, Q-1, R-4, S-2

D

P-2, Q-1, R-4, S-3


(a) is the correct answer.

Ques 42 GATE 2023

For supersonic O2 jet in basic oxygen furnace steelmaking, choose the correct combination from the following:

A

(1), (4), (5)

B

(1), (3), (6)

C

(2), (3), (5)

D

(2), (4), (5)


(b) is the correct answer.

Ques 43 GATE 2023

Elutriator is used to separate particles based on their sizes in flowing air as shown in the figure.

Assuming spherical particles, the diameter (D50) of the suspended particles which have 50% chance to report to overflow by turbulent air flow is expressed as _______.

A

D50 = (3fv2ρa)/(4g(ρs-ρa))

B

D50 = (18μν/(gf(ρs-ρa)))0.5

C

D50 = (9μν/(2g(ρs-ρa)))2

D

D50 = (3fvρa)/(8g(ρs-ρa))


(a) is the correct answer.

Ques 44 GATE 2023

Match the processes in Column I with the corresponding applications in Column II.

A

P-2, Q-1, R-4, S-3

B

P-4, Q-3, R-2, S-1

C

P-3, Q-1, R-4, S-2

D

P-2, Q-4, R-1, S-3


(d) is the correct answer.

Ques 45 GATE 2023

Match Column I with Column II.

A

P-3, Q-4, R-2, S-1

B

P-2. Q-4, R-3, S-1

C

P-3, Q-2, R-1, S-4

D

P-4, Q-2, R-1, S-3


(a) is the correct answer.

Ques 46 GATE 2023

Match the components in Column I with corresponding manufacturing processes in Column II.

A

P-2, Q-3, R-4, S-1

B

P-3, Q-4, R-1, S-2

C

P-4, Q-1, R-3, S-2

D

P-2, Q-3, R-1, S-4


(a) is the correct answer.

Ques 47 GATE 2023

Match the welding techniques in Column I with the most appropriate applications in Column II.

A

P-4. Q-1, R-2, S-3

B

P-3, Q-2, R-1, S-4

C

P-1, Q-3, R-4, S-2

D

P-2, Q-4, R-3, S-1


(a) is the correct answer.

Ques 48 GATE 2023

Concerning the chemical potentials of components in a binary system at constant pressure, the correct statement(s) is/are _______.

A

For single-phase equilibrium at a given temperature, chemical potentials of the components change with alloy composition.

B

For two-phase equilibrium at a given temperature, chemical potential of any component in both phases is same.

C

For two-phase equilibrium at a given temperature, chemical potentials of the components change with alloy composition.

D

For single-phase equilibrium of a given composition, chemical potentials of the components do not change with temperature.


(a,b) is the correct answer.

Ques 49 GATE 2023

Which of the following is/are the role(s) of coke in a blast furnace?

A

reducing agent

B

heat source

C

gas permeable medium

D

flux


(a,b,c) is the correct answer.

Ques 50 GATE 2023

Identify the INCORRECT statement(s) _______.

A

Calcination is typically exothermic and roasting is usually endothermic.

B

Coking of coal is carried out in a shaft furnace.

C

The aims of extractive metallurgy processing are separation, compound formation, metal production, and metal purification.

D

The secondary steelmaking offers steel cleanliness, composition adjustments, and temperature adjustments.


(a,b) is the correct answer.

Ques 51 GATE 2023

For the given schematic TTT diagram of an eutectoid steel, the following statement(s) is/are true for the heat treatment schedules HT-1, HT-2, and HT-3.

A

HT-3 leads to the formation of a pearlite microstructure

B

HT-1 leads to a predominantly martensite microstructure

C

HT-2 leads to a bainite microstructure

D

HT-3 leads to a mixture of pearlite and bainite microstructure


(a,b,c) is the correct answer.

Ques 52 GATE 2023

A dislocation loop PQRSTU is on the (111) plane of a cubic single crystal with 1/6 Burgers vector. The dislocation segments PU̅ and PQ̅ are parallel to and directions, respectively.

The correct statement(s) is/are _______.

A

Dislocation segment PQ is mixed in character.

B

Dislocation segment UT is screw in character.

C

Dislocation segment PU is mixed in character.

D

Dislocation segment QR is edge in character.


(a,b,d) is the correct answer.

Unique Visitor Count

Total Unique Visitors

Loading......

Question Options

Contributed by: