Question

"Overfire burning" in a furnace is a phenomenon characterised by the

a.

supply of excess fuel.

b.

supply of excess air.

c.

burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air.

d.

none of these.

Answer: (c).burning of carbon monoxide and other incombustibles in upper zone of furnace by supplying more air.

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. "Overfire burning" in a furnace is a phenomenon characterised by the

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Yield of pitch from distillation of high temperature tar is around __________ percent.

Q. Fuel consumption in coke making can be reduced by

Q. During combustion of coal on grate, clinker formation is increased by the

Q. If the specific heat of gaseous products of combustion of a fuel is high, the abiabatic flame temperature will be

Q. With increase in C/H ratio of a fuel, the amount of CO₂ formed on its complete combustion

Q. Which of the following is the maximum coal producing state in India ?

Q. Height of coke oven is limited (say maximum upto 7 metres) mainly by the

Q. Out of the following fuels, the difference between the net and gross calorific value is maximum in case of

Q. The hottest part of the flame lies in its____zone.

Q. Presence of free moisture in coal is most disadvantageous during

Q. The heat of combustion of a fuel

Q. High excess air in combustion of fuels results in

Q. Abrasion index of blast furnace coke should be around __________ percent.

Q. Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent.

Q. The calorific value of 'LPG' (50% propane + 50% butane) is about __________ kcal/Nm³.

Q. Washing of coal decreases its

Q. Which of the following petrographic constituents of coal is non-coking ?

Q. __________ has the widest inflammability limit (explosion limit) of all the gases.

Q. Percentage of methane in coke oven gas may be around

Q. Which of the following has the highest calorific value ?

Recommended Subjects

Are you eager to expand your knowledge beyond Basic Chemical Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!