Question

In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of

a.

transportation of coal.

b.

drying of coal.

c.

combustion of coal by supplying it around the burner.

d.

preheating the primary air.

Answer: (c).combustion of coal by supplying it around the burner.

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. In case of pulverised coal fired steam boiler, the secondary air serves the main purpose of

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Largest constituent of coke oven gas is

Q. Fussain

Q. Producer gas comprises mainly of

Q. In high temperature carbonisation (as compared to low temperature carbonisation) of coal, the

Q. Which of the following fuels is generally not used in thermal power plant boiler firing?

Q. A sooty flame can be made non-luminous by

Q. A coal that softens and fuses on heating is

Q. Which of the following reactions occuring during coal gasification is called the Neumann reversal reaction ?

Q. 'Mixed gas' used in steel plants is a mixture of

Q. __________ process is meant for direct hydrogenation of coal to produce liquid fuel.

Q. Producer gas containing least amount of tar is produced by the

Q. Air/gas ratio for complete combustion will be the highest for

Q. Beehive coke oven

Q. Turndown ratio of a gas burner is equal to the

Q. In high temperature carbonisation (as compared to low temperature carbonisation) of coal

Q. Anthracite coal

Q. Number of macrocomponents present in coal according to Stopes are

Q. The maximum adiabatic flame temperature in air as compared to that in pure oxygen is

Q. Yield of charcoal in high temperature carbonisation of wood is about __________ percent.

Q. Orsat apparatus is meant for

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!