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2236. Which of the following is not a directly fired furnace?

September 7, 2025 by Admin

By-product coke oven

Calcination kiln

Sintering furnace

Open hearth furnace

✅ The correct answer is option A.

Categories Chemical Engineering, Engineering, Furnace Technology MCQs Tags Chemical Engineering MCQs, Engineering MCQs, Furnace Technology MCQs

2230. Very high pressure boilers are usually __________ boilers.

2240. Which is not a hearth furnace?

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