Fuels and Combustion Which of the following is not used as a binder in coal briquetting? Tar Line Molasses Pitch Tar Line Molasses Pitch ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following has the least calorific value (kcal/Nm³) ? Blast furnace gas Natural gas Sewage gas Coke oven gas Blast furnace gas Natural gas Sewage gas Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Shallow and small piles Fine sizes without the presence of any lump Large heaps with small surface to volume ratio Closed space without any ventilation facility Shallow and small piles Fine sizes without the presence of any lump Large heaps with small surface to volume ratio Closed space without any ventilation facility ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fusion point of coal ash increases with increase in its __________ content. Iron sulphate Iron silicate Lime and magnesia All of these Iron sulphate Iron silicate Lime and magnesia All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of force moisture in coal is most disadvantageous during its Storage Washing Transportation and handling Pulverisation Storage Washing Transportation and handling Pulverisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Sulphur in metallurgical coal Affects the quality of steel produced as cracks develop on the surface while rolling the steel Both A and B Neither A nor B Contributes to its heating value Affects the quality of steel produced as cracks develop on the surface while rolling the steel Both A and B Neither A nor B Contributes to its heating value ANSWER DOWNLOAD EXAMIANS APP
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