Fuels and Combustion Temperature of preheated air used for the transportation of pulverised coal through pipes to the burner of a boiler furnace is restricted to a maximum limit of about 300° C to avoid the Requirement of large volume combustion chamber Incomplete combustion of coal Risk of explosion Chances of clinker formation Requirement of large volume combustion chamber Incomplete combustion of coal Risk of explosion Chances of clinker formation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dust content in raw blast furnace gas is about __________ gm/Nm³ , hence it is cleaned to the dust level of about < 10 mg /Nm³ before use. 43832 70-100 15-30 150-200 43832 70-100 15-30 150-200 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter is used for the determination of calorific value of the __________ fuels. Gaseous Solid Both B and C Liquid Gaseous Solid Both B and C Liquid ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pick the odd man out. Briquettes Oil gas Pitch creosote mixture Wood Briquettes Oil gas Pitch creosote mixture Wood ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The bright glow of a combustion process is the characteristic of __________ temperature oxidation of coal. Fast & slow Slow & low Fast & high Slow & high Fast & slow Slow & low Fast & high Slow & high ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal containing large quantity of __________ are difficult to wash. Free impurities Inherent mineral matter Ash Volatile matter Free impurities Inherent mineral matter Ash Volatile matter ANSWER DOWNLOAD EXAMIANS APP
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