Fuels and Combustion Highly reactive coke have lower Coke reactivity index (CRI) Both B and C Critical air blast (CAB) value Porosity Coke reactivity index (CRI) Both B and C Critical air blast (CAB) value Porosity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Kopper-Totzek coal gasifier (installed in a coal based nitrogeneous fertiliser plant) employs a/an __________ bed gasifier. Fixed Fluidised Moving Entrained Fixed Fluidised Moving Entrained ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Quantity of coke oven gas produced by high temperature carbonisation of one ton of dry coal may be around __________ Nm³. 300 30, 000 3000 30 300 30, 000 3000 30 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Lignite is A high rank coal Can be used for gasification and steam generation A coking coal A black banded coal which burns with a non-smoky yellowish flame A high rank coal Can be used for gasification and steam generation A coking coal A black banded coal which burns with a non-smoky yellowish flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal during its high temperature carbonisation Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls Increases the loss of fine coal dust from the ovens when charging Reduces the coking time None of these Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls Increases the loss of fine coal dust from the ovens when charging Reduces the coking time None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of gobar gas (containing CH₄ = 60% , H₂ = 10% ; CO₂ = 30%) may be about __________ Kcal/Nm³. 10200 5400 1800 3200 10200 5400 1800 3200 ANSWER DOWNLOAD EXAMIANS APP