Fuels and Combustion Calorific value of gobar gas (containing CH₄ = 60% , H₂ = 10% ; CO₂ = 30%) may be about __________ Kcal/Nm³. 10200 3200 1800 5400 10200 3200 1800 5400 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draft created by the chimney depends upon Its height Both A & B Temperature of the flue gas Neither A nor B Its height Both A & B Temperature of the flue gas Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Purity of coke means that, it is high in carbon and low in Moisture Ash Iron Volatiles Moisture Ash Iron Volatiles 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 None of these Reduces the coking time 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 None of these Reduces the coking time ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion By-products are __________ recovered in 'Beehive ovens'. Partially Negligibly Fully Not at all Partially Negligibly Fully Not at all ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Most of the coking coals are Lignite None of these Bituminous Anthracite Lignite None of these Bituminous Anthracite ANSWER DOWNLOAD EXAMIANS APP