Fuels and Combustion During combustion of coal on grate, clinker formation is increased by the Use of preheated primary air All of these Low fusion point of ash (< 1100° C) Use of thick fire bed Use of preheated primary air All of these Low fusion point of ash (< 1100° C) Use of thick fire bed ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of of blast furnace gas is around __________ KCal/Nm³. 6500 1800 850 4200 6500 1800 850 4200 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Flue gas from the heating chamber of byproduct coke ovens is removed by Forced draft fan Natural draft Steam ejector Induced draft fan Forced draft fan Natural draft Steam ejector Induced draft fan ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion C.V. (kcal/Nm³) of gaseous fuels __________ with increase in molecular weight. Increases Remains constant Decreases May increase or decrease, depends on combustibles Increases Remains constant Decreases May increase or decrease, depends on combustibles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a lean fuel gas? Coke oven gas Natural gas Blast furnace gas LPG Coke oven gas Natural gas Blast furnace gas LPG ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal as compared to that of lump coal Can be done with less excess air Develops a non-luminous flame Develops a low temperature flame Provides a lower rate of heat release Can be done with less excess air Develops a non-luminous flame Develops a low temperature flame Provides a lower rate of heat release ANSWER DOWNLOAD EXAMIANS APP