Fuels and Combustion Fusion point of coal ash increases with increase in its __________ content. Lime and magnesia All of these Iron sulphate Iron silicate Lime and magnesia All of these Iron sulphate Iron silicate ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of gobar gas (containing CH₄ = 60% , H₂ = 10% ; CO₂ = 30%) may be about __________ Kcal/Nm³. 3200 1800 5400 10200 3200 1800 5400 10200 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A good quality coal should have High ash content High sulphur None of these Low fusion point of ash High ash content High sulphur None of these Low fusion point of ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The pyragallol solution used in orsat apparatus can absorb All of these Only O₂ Both O₂ and CO Both O₂ and CO₂ All of these Only O₂ Both O₂ and CO Both O₂ and CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher percentage of ash in coal meant for the production of metallurgical grade coke None of these Causes brittleness in steel Decreases the hardness of coke Decreases the abrasion resistance of coke None of these Causes brittleness in steel Decreases the hardness of coke Decreases the abrasion resistance of coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which adsorbant is used for removing sulphur compounds (S Q, H₂S, RSH etc.) removal from coke oven gas in by-products recovery plant ? Silica gel Basalt Diatomaceous earth Bog iron (i.e., moist ferric hydroxide) Silica gel Basalt Diatomaceous earth Bog iron (i.e., moist ferric hydroxide) ANSWER DOWNLOAD EXAMIANS APP
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