Fuels and Combustion C.V. (kcal/Nm³) of gaseous fuels __________ with increase in molecular weight. Increases Decreases May increase or decrease, depends on combustibles Remains constant Increases Decreases May increase or decrease, depends on combustibles Remains constant ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In Lurgi coal gasifier, Low carbon conversion efficiency is achieved Entrainment of solids is higher Larger quantity of coal can be processed Coking coals cannot be used Low carbon conversion efficiency is achieved Entrainment of solids is higher Larger quantity of coal can be processed Coking coals cannot be used 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 3000 30 30, 000 300 3000 30 30, 000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The average molecular weight of a flue gas having the composition by volume as CO₂ = 25%, O₂ = 25%, N₂ = 50% will be 23 47.3 27.6 42.9 23 47.3 27.6 42.9 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The cuprous chloride used in orsat apparatus can absorb All of these Both CO and CO₂ Only CO Both CO and O₂ All of these Both CO and CO₂ Only CO Both CO and O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main reason for making the copper calorimeter (used in bomb calorimeter) silvery white and shining/polished is to None of these Avoid radiation heat loss Minimise its corrosion Make it look attractive None of these Avoid radiation heat loss Minimise its corrosion Make it look attractive ANSWER DOWNLOAD EXAMIANS APP
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