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.Management Sciences
A. provide air around burners for obtaining optimum combustion
B. transport and dry the coal
C. convert CO (formed in lower zone of furnace) into C02 at higher zone
D. air delivered by induced draft fan
E. air fed to pulverisers
Related Mcqs:
- On Mollier chart, free expansion, or throttling process from high pressure to atmosphere is represented by_______________?
- A. horizontal straight line B. vertical straight line C. straight inclined line D. curved line E. none of the above...
- Which of the following varieties of coals is mostly used in steam boilers____________________?
- A. non-coking bituminous coal B. brown coal C. peat D. coking bituminous coal E. none of the above...
- The latent heat of steam with increase of pressure__________________?
- A. remains same B. increases C. decreases D. behaves unpredictably E. none of the above...
- In regenerative air preheater, the heat is transferred _____________________?
- A. from a metal wall from one medium to another B. from heating an intermediateanaterial and then heating the air from this material C. by direct mixing D. heat is transferred by bleeding some gas from furnace E. none of the above...
- The size of a boiler drum in pulverised fuel fired boiler,as its size and capacity, (steam pressure and flow ratings) increase __________________?
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