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Asked: May 6, 20202020-05-06T21:52:34+05:30 2020-05-06T21:52:34+05:30In: Foundry Technology (Metal Casting)

GATE MT 2020 Q7. Cupola is a furnace used to produce:

Poll Results

7.69%Copper alloys ( 10 voters )
85.38%Cast irons ( 111 voters )
2.31% Aluminium alloys ( 3 voters )
4.62%Plain carbon steels ( 6 voters )
Based On 130 Votes

Participate in Poll, Choose Your Answer.

GATE MT 2020 Q7. Cupola is a furnace used to produce:
cupola furnaceGATE MT 2020 Question Paper With SolutionGATE MT Foundry technologyGATE MT Previous Year Questions With Solution
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    1. Best Answer
      Rohit.km Platinum Gate aspirant.
      2020-05-07T00:03:47+05:30Added an answer on May 7, 2020 at 12:03 am

      Cupola furnace is generally used in manufacturing to melt Cast irons. This works on the principle of generating heat from the burning coke and when temperature of furnace is above the melting point of metal the process continues. As charge we put some pig iron, scrap,coke, lime stone(Flux). There isRead more

      Cupola furnace is generally used in manufacturing to melt Cast irons.

      This works on the principle of generating heat from the burning coke and when temperature of furnace is above the melting point of metal the process continues.

      As charge we put some pig iron, scrap,coke, lime stone(Flux).

      There is coke bed at bottom which is ignited first and then charging is done. Then air is passed through the tuyeres and combustion of coke occurs and of having sufficient temperature the melting occurs and Cast iron is tapped afterwards.

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    2. Gaurav Kumar Gold
      2020-05-07T00:59:40+05:30Added an answer on May 7, 2020 at 12:59 am

      Cupola furnace used for large scale production of cast iron

      Cupola furnace used for large scale production of cast iron

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    3. Nandhakumar Silver Student
      2020-05-07T07:04:34+05:30Added an answer on May 7, 2020 at 7:04 am

      Cupola using coke as heating element. So that production of cast iron is preferred with cupola furnace.

      Cupola using coke as heating element. So that production of cast iron is preferred with cupola furnace.

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    4. Subir Iron
      2020-05-07T08:33:48+05:30Added an answer on May 7, 2020 at 8:33 am

      Cupola furnace is charged with coke which raises the carbon content of metal and also ferro silicon and manganese is added to increase the silicon content and produce heat to melt the charge.

      Cupola furnace is charged with coke which raises the carbon content of metal and also ferro silicon and manganese is added to increase the silicon content and produce heat to melt the charge.

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    5. Askmemetallurgy Official official account of Askmemetallurgy
      2020-05-07T17:49:58+05:30Added an answer on May 7, 2020 at 5:49 pm
      This answer was edited.

      Correct answer is option B. @Rohit.km described it best. Thank you.

      Correct answer is option B. Rohit jha.km described it best. Thank you.

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    6. C Patel Metallurgy Platinum GATE Metallurgy Coaching
      2020-12-16T16:00:42+05:30Added an answer on December 16, 2020 at 4:00 pm

      Cast Iron

      Cast Iron

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