Fuels and Combustion Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent. 40 and 70 95 and 100 80 and 97 25 and 97 40 and 70 95 and 100 80 and 97 25 and 97 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Very __________ coals are completely devoid of cokability i.e, it is non coking. Neither A nor B Both A & B Young Mature Neither A nor B Both A & B Young Mature ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of coal on grate, clinker formation is increased by the All of these Use of preheated primary air Use of thick fire bed Low fusion point of ash (< 1100° C) All of these Use of preheated primary air Use of thick fire bed Low fusion point of ash (< 1100° C) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A sample of natural gas containing 80% methane (CH₄) and rest nitrogen (N₂) is burnt with 20% excess air. With 80% of the combustibles producing CO₂ and the reminder going to CO, the Orsat analysis in volume percent is CO₂ : 6.26, CO : 1.56, O₂ : 3.91, H₂O :15.66, N₂ : 72.60 CO₂ : 6.39, CO : 1.60, O₂ : 3.99, H₂O:25.96, N₂:72.06 CO₂ : 7.60, CO : 1.90, O₂ : 4.75, N₂ : 85.74 CO₂ : 7.42, CO : 1.86, O₂ : 4.64, N₂:86.02 CO₂ : 6.26, CO : 1.56, O₂ : 3.91, H₂O :15.66, N₂ : 72.60 CO₂ : 6.39, CO : 1.60, O₂ : 3.99, H₂O:25.96, N₂:72.06 CO₂ : 7.60, CO : 1.90, O₂ : 4.75, N₂ : 85.74 CO₂ : 7.42, CO : 1.86, O₂ : 4.64, N₂:86.02 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel combustion is never cent per cent efficient due to Moisture loss Dry gas/stack gas loss All of these Incomplete combustion Moisture loss Dry gas/stack gas loss All of these Incomplete combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Grindability index of a coal is 100. It implies that the Power consumption in grinding the coal will be very high Coal can be pulverised with great difficulty Coal can't be pulverised Coal can be easily pulverised Power consumption in grinding the coal will be very high Coal can be pulverised with great difficulty Coal can't be pulverised Coal can be easily pulverised ANSWER DOWNLOAD EXAMIANS APP
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