Leaving Cert Engineering Furnaces: 2. (a) Name each of the furnaces

2. (a) Name each of the furnaces shown - Leaving Cert Engineering - Question 2 - 2015

Question 2

2. (a) Name each of the furnaces shown. (i) (ii) (iii) (b) Select one of the furnaces shown above and answer each of the following: (i) Draw a diagram of the fu... show full transcript

Worked Solution & Example Answer:2. (a) Name each of the furnaces shown - Leaving Cert Engineering - Question 2 - 2015

Step 1

Select one of the furnaces shown above and answer each of the following: (i) Draw a diagram of the furnace and label the main parts;

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Answer

For this question, we will select the Electric Arc Furnace (EAF). The diagram of the Electric Arc Furnace includes the following parts: Carbon electrodes, Refractory lining, Tapping spout, and the molten steel.

Electric Arc Furnace Diagram

The electric arc generated between the electrodes provides the necessary heat.

Step 2

Select one of the furnaces shown above and answer each of the following: (ii) Name the materials in the charge;

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Answer

The primary materials in the charge for the Electric Arc Furnace are:

Pig iron
Scrap steel
Lime

Step 3

Select one of the furnaces shown above and answer each of the following: (iii) Describe how the charge is heated or melted;

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Answer

In the Electric Arc Furnace, heat is generated by an electric current that flows between the carbon electrodes and the charge. The intense heat produced by the electric arc melts the materials in the charge, which helps in producing high-quality steel.

Step 4

Select one of the furnaces shown above and answer each of the following: (iv) Name the metal produced;

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Answer

The primary metal produced in the Electric Arc Furnace is steel.

2. (a) Name each of the furnaces shown - Leaving Cert Engineering - Question 2 - 2015

Worked Solution & Example Answer:2. (a) Name each of the furnaces shown - Leaving Cert Engineering - Question 2 - 2015

Select one of the furnaces shown above and answer each of the following: (i) Draw a diagram of the furnace and label the main parts;

Select one of the furnaces shown above and answer each of the following: (ii) Name the materials in the charge;

Select one of the furnaces shown above and answer each of the following: (iii) Describe how the charge is heated or melted;

Select one of the furnaces shown above and answer each of the following: (iv) Name the metal produced;

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