Fuels and Combustion Removal of hydrogen from coke oven gas Does not alter its calorific value Is not possible on commerical scale Decreases its calorific value Increases its calorific value Does not alter its calorific value Is not possible on commerical scale Decreases its calorific value Increases its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 10 & 3 15 & 8 10 & 20 3 & 10 10 & 3 15 & 8 10 & 20 3 & 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Gross heating value of coal is __________ the net heating value. Lower than Same as None of these Higher than Lower than Same as None of these Higher than ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Increase in ash content of blast furnace coke Does not affect its consumption in the furnace Decreases its hardness and abrasion resistance Increases its consumption in the furnace Reduces its consumption in the furnace Does not affect its consumption in the furnace Decreases its hardness and abrasion resistance Increases its consumption in the furnace Reduces its consumption in the furnace ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke made in narrower by-product coke ovens (as compared to wider ovens) is Stronger Smaller in size All of these Less reactive Stronger Smaller in size All of these Less reactive ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Stack heat losses can be minimised by Using low c.v. fuels Controlling the excess air Maintaining proper draft in the furnace Oxygen enrichment of combustion air Using low c.v. fuels Controlling the excess air Maintaining proper draft in the furnace Oxygen enrichment of combustion air ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS