Fuels and Combustion Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm³ gas ? Producer gas Water gas Blast furnace gas Natural gas Producer gas Water gas Blast furnace gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coking of coal, the ash content (percentage) Increases Decreases None of these Remains constant Increases Decreases None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in C/H ratio of a fuel, the amount of CO₂ formed on its complete combustion Either A or B, depends on other factors Remains same Increases Decreases Either A or B, depends on other factors Remains same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Supply of excess air for complete combustion of fuel is necessitated to facilitate Attainment of high temperature Attainment of chemical equilibrium None of these Its thorough mixing with air Attainment of high temperature Attainment of chemical equilibrium None of these Its thorough mixing with air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During combustion of coal on grate, clinker formation is increased by the Use of preheated primary air All of these Use of thick fire bed Low fusion point of ash (< 1100° C) Use of preheated primary air All of these Use of thick fire bed Low fusion point of ash (< 1100° C) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is unsuitable fuel for producer gas manufacture? Coal having high fusion point of its ash Coal having low fusion point of its ash Anthracite Coke Coal having high fusion point of its ash Coal having low fusion point of its ash Anthracite Coke ANSWER DOWNLOAD EXAMIANS APP
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