Fuels and Combustion A good coking coal should have high __________ content. Ash None of these Moisture Sulphur & phosphorus Ash None of these Moisture Sulphur & phosphorus ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In high temperature carbonisation (as compared to low temperature carbonisation) of coal Tar yield is less but free carbon in tar is more Calorific value of coke oven gas is less All of these Coke oven gas yield is more Tar yield is less but free carbon in tar is more Calorific value of coke oven gas is less All of these Coke oven gas yield is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Preheating of coal charge for the coke ovens reduces the Time of carbonisation All of these Yield of gas and tar Fuel consumption in coking Time of carbonisation All of these Yield of gas and tar Fuel consumption in coking ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Artificial draught produced by a fan can be controlled by the Damper Speed of the fan Variation in the pitch of the fan blades All of these Damper Speed of the fan Variation in the pitch of the fan blades All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a poisonous fuel gas? Coke oven gas None of these Blast furnace gas Natural gas Coke oven gas None of these Blast furnace gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The weathering index of a coal Gives an idea of the fusion temperature of ash Is a measure of its caking tendency Is related to its calorific value Is a measure of its size stability, when stored & exposed to weather Gives an idea of the fusion temperature of ash Is a measure of its caking tendency Is related to its calorific value Is a measure of its size stability, when stored & exposed to weather ANSWER DOWNLOAD EXAMIANS APP
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