MT GATE Exam Previous Papers | MT GATE Model Papers 2015

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MT GATE Exam Previous Papers 2015 | MT GATE Model Papers 2015

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GATE Metallurgy Previous Paper 2015 Details

  • Total number of Questions = 55
  • Q. 1 – Q. 25 carry one mark each
  • Q. 26 – Q. 55 carry two mark each

Few Question are listed below for preview: GATE Metallurgy Previous Paper 2015
1.  Self supporting arches for furnace roofs can be fabricated using silica bricks but not using magnesia bricks. Why?
(A) Silica has a significantly lower thermal expansion coefficient than magnesia at high temperatures.
(B) Silica has a significantly higher thermal conductivity than magnesia at high temperatures.
(C) Silica has a significantly lower melting point than magnesia.
(D) Silica is significantly more acidic than magnesia
2. When boron (trivalent) is doped to silicon, the resulting material is
(A) a p-type semiconductor.
(B) an n-type semiconductor.
(C) a superconductor.
(D) an insulator
3. Which of the following manufacturing processes is NOT used for producing fine grained metals? (A) Electrodeposition
(B) Czochralski method
(C) Equi-Channel Angular Pressing (ECAP)
(D) Sintering of milled powders
4.  Which of the following is NOT a solid state metal joining technique?
(A) Ultrasonic welding
(B) Friction welding
(C) Diffusion bonding
(D) Electroslag welding



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