Fuels and Combustion Bulk density of pulverised coal may be about __________ kg/m³. 500 1500 1000 100 500 1500 1000 100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal during storage does not decrease its Oxygen content Calorific value Caking power None of these Oxygen content Calorific value Caking power None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking coals are invariably Lignites Semi-anthracites Anthracites Bituminous coals Lignites Semi-anthracites Anthracites Bituminous coals ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion C.V. (kcal/Nm³) of gaseous fuels __________ with increase in molecular weight. Remains constant May increase or decrease, depends on combustibles Decreases Increases Remains constant May increase or decrease, depends on combustibles Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of coal on grate, clinker formation is increased by the Use of thick fire bed Use of preheated primary air Low fusion point of ash (< 1100° C) All of these Use of thick fire bed Use of preheated primary air Low fusion point of ash (< 1100° C) All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg. 4000 8000 6000 1000 4000 8000 6000 1000 ANSWER DOWNLOAD EXAMIANS APP
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