Fuels and Combustion High temperature in gasification of coal favours Low production of CO₂ Both B and C High production of CO High production of CO₂ Low production of CO₂ Both B and C High production of CO High production of CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Soft coke is not Produced by low temperature carbonisation of coal None of these Used in blast furnaces A domestic fuel Produced by low temperature carbonisation of coal None of these Used in blast furnaces A domestic fuel 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 ? Diatomaceous earth Bog iron (i.e., moist ferric hydroxide) Basalt Silica gel Diatomaceous earth Bog iron (i.e., moist ferric hydroxide) Basalt Silica gel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Yield of blast furnace gas is about __________ Nm³ /ton of pig iron. 2000 300 5000 10000 2000 300 5000 10000 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 Large heaps with small surface to volume ratio Closed space without any ventilation facility Fine sizes without the presence of any lump Shallow and small piles Large heaps with small surface to volume ratio Closed space without any ventilation facility Fine sizes without the presence of any lump ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing? Ash disposal problem Excessive fly-ash discharge from the stack High power consumption in its transportation Erosion of induced draft fan blades Ash disposal problem Excessive fly-ash discharge from the stack High power consumption in its transportation Erosion of induced draft fan blades ANSWER DOWNLOAD EXAMIANS APP