Fuels and Combustion Which of the following petrographic constituents of coal is non-coking? Durain Vitrain Clarain Fussain Durain Vitrain Clarain Fussain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion C.V. (kcal/Nm³) of gaseous fuels __________ with increase in molecular weight. Remains constant Decreases Increases May increase or decrease, depends on combustibles Remains constant Decreases Increases May increase or decrease, depends on combustibles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Dry air requirement for burning 1 Nm³ of CO to CO₂ may be around __________ Nm³. 11.4 2.4 0.87 1.75 11.4 2.4 0.87 1.75 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main component of sewage gas produced during aneorobic decomposition of organic waste (by suitable bacteria) during sewage disposal is CO₂ H₂ CH₄ N₂ CO₂ H₂ CH₄ N₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High temperature in gasification of coal favours High production of CO₂ Low production of CO₂ High production of CO Both B and C High production of CO₂ Low production of CO₂ High production of CO Both B and C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of coal on grate, clinker formation is increased by the 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 Use of thick fire bed ANSWER DOWNLOAD EXAMIANS APP
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