Metallurgical Engineering Gate Yearwise 



Metallurgical Engineering Gate 2022 Questions with Answer

Ques 14 GATE 2022

Magnesium treatment is carried out to produce _______ cast iron.

A

white

B

gray

C

spheroidal graphite

D

malleable


(c) is the correct answer.

Ques 15 GATE 2022

Which one of the following elements has the slowest removal rate from hot metal in basic oxygen furnace (BOF) steelmaking?

A

Carbon

B

Sulfur

C

Silicon

D

Phosphorus


(b) is the correct answer.

Ques 16 GATE 2022

Which one of the following modern practices is used for retarding the solution loss reaction in blast furnace ironmaking?

A

High top pressure

B

Bell-less top

C

Pulverized coal injection

D

Rotating chute for burden distribution


(a) is the correct answer.

Ques 17 GATE 2022

Which one of the following figures illustrates a lap joint with fillet weld?

A

I

B

II

C

III

D

IV


(b) is the correct answer.

Ques 18 GATE 2022

In green sand moulding, the casting defect resulting from the displacement of mould cavity by an oversized core is known as _______.

A

crush

B

hot tear

C

blow

D

fin


(a) is the correct answer.

Ques 19 GATE 2022

Match the processes (Column I) with the corresponding defects (Column II).

A

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

B

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

C

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

D

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


(d) is the correct answer.

Ques 20 GATE 2022

In continuous casting of steel, mould flux is used for _______.

A

lubrication

B

reducing heat loss

C

inclusion control

D

reducing solidification shrinkage


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

Ques 21 GATE 2022

Which of the following parameter(s) influence(s) the melting rate of the consumable wire in a gas metal arc welding process?

A

Stick-out length

B

Welding speed

C

Welding current

D

Diameter of the consumable wire


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

Ques 22 GATE 2022

Steel plates are welded autogenously using Gas Tungsten Arc welding with an arc heat transfer efficiency of 0.65. The first weld is made using a welding current of 200 A at an arc voltage of 18 V with a welding speed of 0.002 m⋅s-1. The second weld is made at a welding speed of 0.0022 m⋅s-1 with the same arc voltage. If both the welds have identical heat input, the welding current of the second weld is _______ A (round off to the nearest integer).


(220) is the correct answer.

Ques 23 GATE 2022

The sequence of peaks corresponding to the planes (in the order of increasing 2θ) observed in the X-ray diffractogram of a pure copper powder sample is _______.

A

111, 200, 220, 311

B

110, 200, 211, 220

C

110, 200, 211, 311

D

111, 200, 311, 220


(a) is the correct answer.

Ques 24 GATE 2022

Match the nature of bonding (Column I) with material (Column II)

A

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

B

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

C

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

D

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


(d) is the correct answer.

Ques 25 GATE 2022

The CCT diagram of a eutectoid steel with a superimposed cooling curve is shown in the figure. The microstructure at room temperature (RT) after this heat treatment is _______.

A

pearlite only

B

pearlite + retained austenite

C

martensite only

D

pearlite + martensite


(d) is the correct answer.

Ques 26 GATE 2022

For a material that undergoes strain hardening, necking instability occurs during tensile testing when _______.
Given: σ=true stress and ε=true strain.

A

dσ/dε=0

B

dσ/dε=ε

C

dσ/dε=σ

D

dσ/dε=∞


(c) is the correct answer.

Unique Visitor Count

Total Unique Visitors

Loading......

Question Options

Contributed by: