Fuels and Combustion Pulverised coal used in boiler firing need not have High bulk density Less moisture content High fusion point of its ash Lower ash content High bulk density Less moisture content High fusion point of its ash Lower ash content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuels is generally not used in thermal power plant boiler firing? Furnace oil, light diesel oil and tar/PCM Pulverised coking coal F. gas, coke oven gas and L.D. converter gas Coal middling from washeries Furnace oil, light diesel oil and tar/PCM Pulverised coking coal F. gas, coke oven gas and L.D. converter gas Coal middling from washeries ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Nitrogen present in the flue gas is determined in the orsat apparatus by absorbing it in Ammoniacal cuprous chloride KOH Pyrogallol solution None of these Ammoniacal cuprous chloride KOH Pyrogallol solution None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal during storage does not decrease its None of these Oxygen content Caking power Calorific value None of these Oxygen content Caking power Calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accentuates clinker-ing trouble on furnace grate burning coal? Thick fire bed and preheated primary air All of these Low forced draught and fuel bed temperature Low reactivity of carbonised residue containing high proportions of iron & sulphur Thick fire bed and preheated primary air All of these Low forced draught and fuel bed temperature Low reactivity of carbonised residue containing high proportions of iron & sulphur ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Actual flame temperature is always lower than the adiabatic flame temperature, because there is Neither A nor B No possibility of obtaining complete combustion at high temperature Both A & B Always loss of heat from the flame Neither A nor B No possibility of obtaining complete combustion at high temperature Both A & B Always loss of heat from the flame ANSWER DOWNLOAD EXAMIANS APP
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