Fuels and Combustion Washing of coal decreases its Both B and C Mineral matter content Ash content Caking index Both B and C Mineral matter content Ash content Caking index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The most matured coal out of the following is Sub-bituminous Semi-anthracite Bituminous Lignite Sub-bituminous Semi-anthracite Bituminous Lignite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dust content in raw blast furnace gas is about __________ gm/Nm³ , hence it is cleaned to the dust level of about < 10 mg /Nm³ before use. 15-30 70-100 43832 150-200 15-30 70-100 43832 150-200 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion By-products are __________ recovered in 'Beehive ovens'. Fully Not at all Partially Negligibly Fully Not at all Partially Negligibly ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal during its high temperature carbonisation 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 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 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke made in narrower by-product coke ovens (as compared to wider ovens) is Less reactive Smaller in size All of these Stronger Less reactive Smaller in size All of these Stronger ANSWER DOWNLOAD EXAMIANS APP
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