Q. An improved and fuel efficient version of the pusher type reheating furnace is the __________ furnace.
✅ Correct Answer: (A)
Walking beam
Furnace Technology MCQs | Page - 6
Dear candidates you will find MCQ questions of Furnace Technology here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. Which of the following variables affects the furnace capacity?
✅ Correct Answer: (D)
All of the above
Q. Air filtration in a furnace
✅ Correct Answer: (A)
Reduces its thermal efficiency
Q. In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of
✅ Correct Answer: (C)
Combustion of coal by supplying it around the burner
Q. If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace.
✅ Correct Answer: (B)
Underfired
Q. Reverberatory furnace is used for
✅ Correct Answer: (A)
asting/reduction of ores
Q. Which of the following is the most important deterrants to an extended use of pulverised coal in boiler firing?
✅ Correct Answer: (A)
Ash disposal problem
Q. Circulation of gases in furnace is caused by the
✅ Correct Answer: (D)
All of the above
Q. Metallic recuperators are not used for waste heat recovery, if the hot flue gas temperature is above __________ °C, because corrosion prevails at higher temperatures.
✅ Correct Answer: (B)
750
Q. Rate of heat release in a furnace, which is the measure of heat intensity is defined as
✅ Correct Answer: (A)
kcal/hr/m3 combustion space
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