chemical-engineering-furnace-technology Related Question Answers
126. In a furnace operation, which is not preheated ?
127. Operation of blast furnace stove is based on the principles of a __________ furnace.
128. Which of the following is not a recuperative furnace ?
129. Size of the combustion chamber of a furnace depends upon the
130. Reheating furnace (pusher type) is used for heating
131. The rate of scaling of furnace stock depends upon the
132. Main gas valve in a gaseous fuel burner is a __________ valve.
133. Pot furnace which is either regenerative or recupterative, is used in the manufacture of
134. Which of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace ?
135. A refractory wall separating the stock and the source of heat is provided in a
136. Which one shows the diagramatic heat balance in a furnace ?
137. Decarburisation of steel
139. Fuel economy in furnaces can be achieved by
140. Thermal efficiency of an open hearth furnace may be about __________ percent.
141. Oxygen percentage in the flue gas coming out of a gaseous fuel fired furnace should be ideally about __________ percent.
142. Which of the following is a rotary furnace?
143. Which of the following variables affects the furnace capacity ?
144. In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the
145. In which of the following furnaces, the gases are sucked through the stock bed from below?
146. Waste heat from the outgoing flue gases in a thermal power plant is recovered by a/an
147. Recuperator is
148. An improved and fuel efficient version of the pusher type reheating furnace is the __________ furnace.
150. In a furnace employing forced draught as compared to induced draught,
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