Fuels and Combustion As time passes, the calorific value of stored coal Remains unaltered Decreases May increase or decrease (depends on the method of storage) Increases Remains unaltered Decreases May increase or decrease (depends on the method of storage) Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Size of blast furnace grade coke is __________ mm. 0-15 >100 25-80 15-25 0-15 >100 25-80 15-25 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash increases with increase in its __________ content. Iron silicate Iron sulphate All of these Lime and magnesia Iron silicate Iron sulphate All of these Lime and magnesia ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking coals are invariably Lignites Bituminous coals Semi-anthracites Anthracites Lignites Bituminous coals Semi-anthracites Anthracites ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 3 & 10 10 & 3 15 & 8 10 & 20 3 & 10 10 & 3 15 & 8 10 & 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The gasification reaction represented by, C + H₂O = CO + H₂, is Exothermic Endothermic Catalytic Autocatalytic Exothermic Endothermic Catalytic Autocatalytic ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS