Fuels and Combustion Highly caking coals Produce strong coke May damage the coke oven walls during carbonisation Both B and C Produce weak coke Produce strong coke May damage the coke oven walls during carbonisation Both B and C Produce weak coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an __________ bed gasifier. Fluidised Moving Fixed Entrained Fluidised Moving Fixed Entrained 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 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 As time passes, the calorific value of stored coal Increases May increase or decrease (depends on the method of storage) Remains unaltered Decreases Increases May increase or decrease (depends on the method of storage) Remains unaltered Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Mixed gas' used in steel plants is a mixture of Coke oven gas and converter gas Blast furnace gas and naphtha vapor F. gas and coke oven gas Coke oven gas and L.P.G Coke oven gas and converter gas Blast furnace gas and naphtha vapor F. gas and coke oven gas Coke oven gas and L.P.G ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ of the coal is the basis for Seylor's coal classification. Calorific value Proximate analysis Caking index Ultimate analysis Calorific value Proximate analysis Caking index Ultimate analysis ANSWER DOWNLOAD EXAMIANS APP
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