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GATE MT Previous 2021-2011 question paper set with their detailed solution

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Kathirvelan RSilver

Asked: June 25, 2021In: Corrosion

what is exchange current density and how to understand it?

metagate.inPlatinum

Asked: April 16, 2020In: Thermodynamics & Rate Processes

Continuing from previous Question’s concpet, BARC-3: Draw the Free Energy Vs. Temperature curve for Pure Iron at constant Pressure

Continuing from previous Question’s concpet, BARC-3: Draw the Free Energy Vs. Temperature curve for Pure Iron at constant Pressure

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Askmemetallurgy Official

Asked: April 3, 2020In: Physical Metallurgy & Heat treatment

GATE MT 2015 Q35. In polymers such as epoxies, creep resistance can be enhanced by:

Poll Results

19.23%(A) Increasing the bulkiness of side groups ( 5 voters )

57.69%(B) Increasing the cross-link density ( 15 voters )

11.54%(C) Addition of plasticisers ( 3 voters )

11.54%(D) Annealing ( 3 voters )

Based On 26 Votes

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Poll

Askmemetallurgy Official

Asked: May 6, 2020In: Metal Working (Forming)

GATE MT 2020 Q8. A heavily cold-worked metal will

Poll Results

4.84%Yield a coarser recrystallized grain size. ( 3 voters )

16.13%Have a higher energy barrier for nucleation of recrystallized grains. ( 10 voters )

9.68%Possess a lower driving force for recrytallization. ( 6 voters )

69.35%Recrystallize at lower temperatures. ( 43 voters )

Based On 62 Votes

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Avinash SinhaCopper

Asked: April 8, 2020In: Uncategorised

Differentiate between 304 and 316 grades of steel.

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Askmemetallurgy Official

Asked: March 6, 2021In: Foundry Technology (Metal Casting)

GATE MT 2021 Q5. Singles crystal turbine blades of nickel-based superalloys for aero-engines are manufactured using:

Poll Results

23.47%(A) Investment casting ( 46 voters )

7.65%(B) Die casting ( 15 voters )

4.59%(C) Squeeze casting ( 9 voters )

64.29%(D) Directional solidification ( 126 voters )

Based On 196 Votes

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Askmemetallurgy Official

Asked: May 10, 2020In: Physical Metallurgy & Heat treatment

GATE MT 2020 Q26. In the edge dislocation configuration given in the figure, dislocations X and Y are fixed and separated by a distance 2h on the same slip plane. Dislocation Z is free to glide on a parallel slip plane. The two slip planes are separated by a distance h. Which one of the following statements is TRUE regarding the stability of dislocation Z at positions 1, 2 and 3? Assume all dislocations have identical Burgers vector.

Poll Results

9.3%Position 1: stable equilibrium; Position 2: unstable; Position 3: stable ( 4 voters )

67.44%Position 1: unstable equilibrium; Position 2: unstable; Position 3: unstable ( 29 voters )

13.95%Position 1: unstable equilibrium; Position 2: stable; Position 3: unstable ( 6 voters )

9.3%Position 1: stable equilibrium; Position 2: unstable; Position 3: unstable ( 4 voters )

Based On 43 Votes

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GATE MT 2020 Q26. In the edge dislocation configuration given in the figure, dislocations X and Y are fixed and separated by a distance 2h on the same slip plane. Dislocation Z is free to glide on a parallel slip plane. The two slip planes are separated by a distance h. Which one of the following statements is TRUE regarding the stability of dislocation Z at positions 1, 2 and 3? Assume all dislocations have identical Burgers vector.

Purnima LohaniCopper

Asked: May 20, 2020In: Iron & Steel Making

How can we prevent carryover slag during tapping of liquid steel?

[Deleted User]

Asked: June 5, 2020In: Uncategorised

why zirconium used in nuclear reactors ?

ArivazhaganIron

Asked: April 9, 2020In: Uncategorised

Eventhough Ni is an Pearlite promoter, But how it gives high.impact energy for Ductile iron through adding up to 2%?

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Askmemetallurgy Official

Asked: March 13, 2020In: Physical Metallurgy & Heat treatment

GATE MT 2011 Q6. Which one of the following is a ferrite stabilizer in steels?

Poll Results

0%(A) Ni

14.29%(B) Cu ( 1 voter )

71.43%(C) Cr ( 5 voters )

14.29%(D) Mn ( 1 voter )

Based On 7 Votes

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Archana

Asked: June 11, 2020In: Physical Metallurgy & Heat treatment

What is the purpose of lead usage?

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