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Get all set of GATE MT  (Metallurgy) question papers with solution. Download the pdf of GATE MT 2020 previous year question papers with solution.

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Asked: May 14, 2020In:

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Asked: May 13, 2020In:

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GATE MT 2020 Q45. Figure shows schematic of a venturi meter. The cross sectional area is 100 mm^2 at A and is 50 mm^2 at B. If air is flowing through the venturi meter at a flow rate of 10^-3 m^3. S^-1, the height H in the air over-water manometer is _____________ mm (round off to the nearest integer). A. Incompressible flow with no friction losses.B. Density of air is 1 kg m^-3. C. Density water is 1000 kg m^-3. D. Acceleration due to gravity is 9.8 m s^-2.
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Poll
Askmemetallurgy Official
Asked: May 13, 2020In:

Poll Results

4.69%A. P-1, Q-2, R-3, S-4 ( 6 voters )
74.22%B. P-3, Q-4, R-2, S-1 ( 95 voters )
14.06%C. P-1, Q-4, R-2, S-3 ( 18 voters )
7.03%D. P-3, Q-1, R-2, S-4 ( 9 voters )
Based On 128 Votes

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Match the processes in Column I with the most appropriate mechanisms in Column IIColumn I(P) Blast furnace iron making process(Q)Hall-Heroult’s process(R) Basic oxygen furnace steel making(S) Kroll’s process Column II1. Metallothermic reduction2. Oxidation3. Carbothermic reduction4. Fused salt electrolysis

Match the processes in Column I with the most appropriate mechanisms in Column II
Column I
(P) Blast furnace iron making process
(Q)Hall-Heroult’s process
(R) Basic oxygen furnace steel making
(S) Kroll’s process

Column II
1. Metallothermic reduction
2. Oxidation
3. Carbothermic reduction
4. Fused salt electrolysis

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Askmemetallurgy Official
Asked: May 10, 2020In:

Poll Results

55.56%Both[a] and [r] are true but [r] is not the correct reason for [a]. ( 15 voters )
14.81% [a] is true but [r] is false. ( 4 voters )
0%Both [a] and [r] are false
29.63%Both [a] and [r] are true and [r] is the correct reason for [a]. ( 8 voters )
Based On 27 Votes

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Poll
Askmemetallurgy Official
Asked: May 10, 2020

Poll Results

51.85%10^6 ( 14 voters )
22.22%10^7 ( 6 voters )
3.7%10^-5 ( 1 voter )
22.22%10^-6 ( 6 voters )
Based On 27 Votes

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GATE MT 2020 Q27. A galvanic cell is formed by connecting Zn(E0)Zn2+/zn =- 0.76V and Fe E0 Fe2+/Fe =- 0.44 V wires immersed in their respective ion solutions. The cell discharges spontaneously with a voltage of 0.5 V. The ratio of the concentration of [Fe2+] to [Zn2+] ions is in the order of: Given. R = 8.3 14 J. mol-1. K-1, F = 96500 C. mol, T = 298 K
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Poll
Askmemetallurgy Official
Asked: May 10, 2020In:

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.
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Poll
Askmemetallurgy Official
Asked: May 9, 2020In:

Poll Results

20.51%Both [a] and [r] true [r] is not the correct reason for [a] ( 8 voters )
28.21%Both [a] and [r] are true and [r] is the correct reason for [a] ( 11 voters )
38.46%[a] is true but [r] is false ( 15 voters )
12.82%Both [a] and [r] are false ( 5 voters )
Based On 39 Votes

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Poll
Askmemetallurgy Official
Asked: May 9, 2020In:

Poll Results

5.88%1 hour ( 2 voters )
5.88%2 hours ( 2 voters )
82.35%4 hours ( 28 voters )
5.88%16 hours ( 2 voters )
Based On 34 Votes

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GATE MT 2020 Q23. Two solid spheres X and Y of identical diameter are made of different materials having thermal diffusivities 100 *10-6 m2s-1 and 125 *10 m2s-1 respectively. Both spheres are heated in a furnace maintained at 1000 K. If the centre of the sphere X reaches 800 K in 1 hour. time required for the centre of sphere Y to reach 800) K is
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Poll
Askmemetallurgy Official
Asked: May 9, 2020In:

Poll Results

67.12%A) GP zone →θ" →θ'→θ ( 49 voters )
13.7%B) GP zone →θ→θ'→θ" ( 10 voters )
10.96%C) GP zone → θ' → θ" →θ ( 8 voters )
8.22%D) θ" → θ'→ GP zone →θ ( 6 voters )
Based On 73 Votes

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