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 Highly reactive coke have lower Both B and C Porosity Coke reactivity index (CRI) Critical air blast (CAB) value Both B and C Porosity Coke reactivity index (CRI) Critical air blast (CAB) value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high __________ content, would ignite most easily. Oxygen Fixed carbon Ash Volatile matter Oxygen Fixed carbon Ash Volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 3 & 10 10 & 3 15 & 8 10 & 20 3 & 10 10 & 3 15 & 8 10 & 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following oil gasification processes is non-catalytic? Semet-Solvay process Steam reforming of naphtha Onia-Gegi process Segas process Semet-Solvay process Steam reforming of naphtha Onia-Gegi process Segas process ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of the coal blend used for the manufacture of metallurgical coke should be around 5 48 21 40 5 48 21 40 ANSWER DOWNLOAD EXAMIANS APP
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