Fuels and Combustion The calorific value of producer gas is around __________ kcal/Nm³ 1300 9000 500 4500 1300 9000 500 4500 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
Fuels and Combustion The temperature at which plastic layer formation takes place during carbonisation of coal varies from __________ °C. 100 to 150 350 to 450 700 to 850 550 to 650 100 to 150 350 to 450 700 to 850 550 to 650 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main use of hard coke produced by high temperature carbonisation is in the Domestic ovens Cupola in foundaries Sinter making Iron blast furnace Domestic ovens Cupola in foundaries Sinter making Iron blast furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of a coal is a measure of its Reactivity Abradability Porosity Agglutinating (binding) properties Reactivity Abradability Porosity Agglutinating (binding) properties ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draft created by the chimney depends upon Both A & B Its height Temperature of the flue gas Neither A nor B Both A & B Its height Temperature of the flue gas Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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