Discussion
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- Question
Which one shows the diagramatic heat balance in a furnace?
Options- A. Sankey diagram
- B. Cox chart
- C. Ostwald chart
- D. None of these
- Correct Answer
- Sankey diagram
- 1. Reducing atmosphere is maintained in a
Options- A. calcination kiln
- B. blast furnace
- C. soaking pit
- D. L.D. converter Discuss
- 2. Protective gas used in the annealing furnace for steel coil comprises of
Options- A. 95% N2 + 5% H2
- B. 5% H2 + 9% N2
- C. 100% CO
- D. 100 %H2 Discuss
- 3. Reverberatory furnace is used for
Options- A. roasting/reduction of ores
- B. annealing steel coil
- C. heating air
- D. steel melting Discuss
- 4. Dampers are located
Options- A. before the I.D fan
- B. after the I.D. fan
- C. near the top of the chimney
- D. anywhere after the I.D. fan Discuss
- 5. Regenerators are used for waste heat recovery in
Options- A. by-product coke ovens
- B. beehive coke oven
- C. blast furnace stoves
- D. soaking pits Discuss
- 6. Artificial draught produced by a fan in the furnace can be controlled by the
Options- A. speed of the fan.
- B. damper.
- C. variation in the pitch of fan blades.
- D. all (a), (b) and (c). Discuss
- 7. Size of the combustion chamber of a furnace depends upon the
Options- A. heat release rate of the fuel.
- B. preheat temperature of fuel & air.
- C. method of mixing the fuel & air.
- D. all (a), (b) and (c). Discuss
- 8. Pot furnace which is either regenerative or recupterative, is used in the manufacture of
Options- A. glass
- B. stainless steel
- C. potteries
- D. refractory bricks. Discuss
- 9. Which of the following is a rotary furnace?
Options- A. Lime kiln
- B. Soaking pit
- C. Stoves
- D. Annealing furnace. Discuss
- 10. Regenerators as compared to recuperators for the same duty
Options- A. store smaller quantity of waste heat
- B. are lighter & compact
- C. involve higher initial cost
- D. all (a), (b) & (c) Discuss
Furnace Technology problems
Search Results
Correct Answer: blast furnace
Correct Answer: 95% N2 + 5% H2
Correct Answer: roasting/reduction of ores
Correct Answer: before the I.D fan
Correct Answer: by-product coke ovens
Correct Answer: all (a), (b) and (c).
Correct Answer: all (a), (b) and (c).
Correct Answer: glass
Correct Answer: Lime kiln
Correct Answer: involve higher initial cost
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