Fuels and Combustion During its calorific value determination by bomb calorimeter, coal is combusted by None of these Oxygen enriched air Oxygen Air None of these Oxygen enriched air Oxygen Air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal Reduces its sulphur and ash content Improves its coking properties Controls its ash fusibility and increases its calorific value All of these Reduces its sulphur and ash content Improves its coking properties Controls its ash fusibility and increases its calorific value All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ratio of primary air to secondary air increases with increase in the rank of coal, because the High rank coals have higher amount of volatile matter Oxygen content progressively decreases Ratio of fixed carbon to volatile matter increases Calorific value of the coal increases High rank coals have higher amount of volatile matter Oxygen content progressively decreases Ratio of fixed carbon to volatile matter increases Calorific value of the coal increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Ignition temperature of a fuel in air is __________ that in pure oxygen. Less than Either more or less; depends on the type of fuel Equal to More than Less than Either more or less; depends on the type of fuel Equal to More than ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of dry wood may be around __________ Kcal/kg. 500 50 5000 5 500 50 5000 5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal resulting from bad storage conditions does not decrease its Calorific value Caking power Oxygen content Hydrogen content Calorific value Caking power Oxygen content Hydrogen content ANSWER DOWNLOAD EXAMIANS APP
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