Fuels and Combustion A good metallurgical coke should have very low Porosity Fusion point of its ash Sulphur & phosphorous content Hardness & strength Porosity Fusion point of its ash Sulphur & phosphorous content Hardness & strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar fuel - 200 (CTF 200) is a mixture of Light oil and pitch Solar oil and pitch Anthracene and crecosote oil Pitch and creosote oil Light oil and pitch Solar oil and pitch Anthracene and crecosote oil Pitch and creosote oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When steam is passed over coal resulting in the endothermic reaction represent by, C + H₂O = CO + H₂, it is called the __________ of coal. Carbonisation Oxidation Coalification Gasification Carbonisation Oxidation Coalification Gasification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bulk density of pulverised coal may be about __________ kg/m³. 1000 1500 500 100 1000 1500 500 100 ANSWER DOWNLOAD EXAMIANS APP
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 Chances of clinker formation Incomplete combustion of coal Risk of explosion Requirement of large volume combustion chamber Chances of clinker formation Incomplete combustion of coal Risk of explosion Requirement of large volume combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Fat coals' are those coals which have very high Inherent moisture content Volatile matter content Caking capacity Fusion point of its ash Inherent moisture content Volatile matter content Caking capacity Fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP