GATE MT year:2023 PYQs & Answers — Page 5

Questions 41–50 of 65. Imported answers require independent review unless marked reviewed.

Given,

. S is a surface bounded by the planes

, and

. If

is the unit vector normal to S, then

Your answerChoose one option.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

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

Column I (P) Fused salt electrolysis (Q) Carbothermal reduction (R) Oxidation-refining (S) Matte converting

Column II (1) Ironmaking (2) Aluminium extraction (3) Copper extraction (4) Steelmaking

Your answerChoose one option.

P – 2, Q – 1, R – 4, S – 3

P – 4, Q – 3, R – 2, S – 1

P – 3, Q – 1, R – 4, S – 2

P – 2, Q – 4, R – 1, S – 3

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Match Column I with Column II.

Column I (P) Gallium arsenide (Q) Barium titanate (R) Iron - 4 wt.% silicon (S) Yttrium-barium-copper oxide

Column II (1) Superconductor (2) Soft magnetic material (3) Semiconductor (4) Piezoelectric material

Your answerChoose one option.

P – 3, Q – 4, R – 2, S – 1

P – 2, Q – 4, R – 3, S – 1

P – 3, Q – 2, R – 1, S – 4

P – 4, Q – 2, R – 1, S – 3

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Match the plots in Section I with the corresponding functions in Section II.

Section I: (P), (Q), (R), and (S) are the four plotted curves.

Diagram for Metallurgical Engineering question 44

Section II (1)

(2)

(3)

(4)

Your answerChoose one option.

P – 3, Q – 2, R – 4, S – 1

P – 2, Q – 3, R – 4, S – 1

P – 1, Q – 4, R – 3, S – 2

P – 2, Q – 3, R – 1, S – 4

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

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

Column I (P) Crank shaft (Q) Machine bed (R) Automobile brake pad (S) Beverage can

Column II (1) Sheet metal forming (2) Forging (3) Casting (4) Powder metallurgy

Your answerChoose one option.

P – 2, Q – 3, R – 4, S – 1

P – 3, Q – 4, R – 1, S – 2

P – 4, Q – 1, R – 3, S – 2

P – 2, Q – 3, R – 1, S – 4

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

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

Column I (P) Submerged arc welding (Q) Electroslag welding (R) Shielded metal arc welding (S) Resistance spot welding

Column II (1) Thick sections (2) Surfacing and repair (3) Thin sheets (4) Flat position

Your answerChoose one option.

P – 1, Q – 1, R – 2, S – 3

P – 3, Q – 2, R – 1, S – 4

P – 1, Q – 3, R – 4, S – 2

P – 2, Q – 4, R – 3, S – 1

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

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

Your answerSelect all correct options. You can choose more than one.

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

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

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

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

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

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

Your answerSelect all correct options. You can choose more than one.

reducing agent

heat source

gas permeable medium

flux

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Identify the INCORRECT statement(s)

Your answerSelect all correct options. You can choose more than one.

Calcination is typically exothermic and roasting is usually endothermic.

Coking of coal is carried out in a shaft furnace.

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

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

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

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.

Diagram for Metallurgical Engineering question 50

Your answerSelect all correct options. You can choose more than one.

HT-3 leads to the formation of a pearlite microstructure

HT-1 leads to a predominantly martensite microstructure

HT-2 leads to a bainite microstructure

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

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

GATE MT year:2023 PYQs

Question 41

Question 42

Question 43

Question 44

Question 45

Question 46

Question 47

Question 48

Question 49

Question 50