Fuels and Combustion Fusion point of coal ash generally varies from 1000 to 1700° C. Ash having fusion point less than __________ °C is liable to form clinker. 1350 1400 1250 1100 1350 1400 1250 1100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ash content in the coke produced from a coking coal having 20% ash may be around __________ percent. 24 12 18 6 24 12 18 6 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly reactive coke have lower Critical air blast (CAB) value Porosity Both B and C Coke reactivity index (CRI) Critical air blast (CAB) value Porosity Both B and C Coke reactivity index (CRI) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gas yield in the Kopper-Totzek coal gasifier is about __________ Nm³/ton coal (ash = 35%). 150 3500 1500 5000 150 3500 1500 5000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain H₂O CO Both B & C CO₂ H₂O CO Both B & C CO₂ 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 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 Chances of clinker formation Incomplete combustion of coal ANSWER DOWNLOAD EXAMIANS APP
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