Furnace Technology problems
- 1. Reducing atmosphere is maintained in a
Options- A. calcination kiln
- B. blast furnace
- C. soaking pit
- D. L.D. converter Discuss
Correct Answer: blast furnace
- 2. Which one shows the diagramatic heat balance in a furnace?
Options- A. Sankey diagram
- B. Cox chart
- C. Ostwald chart
- D. None of these Discuss
Correct Answer: Sankey diagram
- 3. 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
Correct Answer: all (a), (b) and (c).
- 4. 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
Correct Answer: all (a), (b) and (c).
- 5. 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
Correct Answer: glass
- 6. Which of the following is a rotary furnace?
Options- A. Lime kiln
- B. Soaking pit
- C. Stoves
- D. Annealing furnace. Discuss
Correct Answer: Lime kiln
- 7. 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
Correct Answer: involve higher initial cost
- 8. In order to maintain an oxidising atmosphere in a furnace, it should have
Options- A. more of excess air
- B. less of excess air
- C. more of CO in flue gas
- D. more of CO2 in flue gas Discuss
Correct Answer: more of excess air
- 9. In a furnace operation, which is not preheated?
Options- A. Solid fuels.
- B. Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.).
- C. Both (a) and (b).
- D. Neither (a) nor (b). Discuss
Correct Answer: Both (a) and (b).
- 10. Oxygen percentage in the flue gas coming out of a gaseous fuel fired furnace should be ideally about __________ percent.
Options- A. < 2
- B. < 5
- C. < 8
- D. < 10 Discuss
Correct Answer: < 2
More in Chemical Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.