Fuels and Combustion Preheating of __________ the flame temperature. Combustion air decreases Either the fuel or the air or both, increases The gaseous fuel before combustion decreases Either the fuel or the air does not affect Combustion air decreases Either the fuel or the air or both, increases The gaseous fuel before combustion decreases Either the fuel or the air does not affect ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Light oil whose major component is benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C. 200-300 280-300 80-170 250-270 200-300 280-300 80-170 250-270 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases will require maximum amount of air for combustion of 1 Nm³ gas ? Blast furnace gas Water gas Natural gas Producer gas Blast furnace gas Water gas Natural gas Producer gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion When the coal is heated in absence of air, it is called its Deoxidation Carbonisation Gasification Coalification Deoxidation Carbonisation Gasification Coalification ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following constituents of coal is the most important in the production of coke? Volatiles Moisture Ash Carbon Volatiles Moisture Ash Carbon ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a measure of the agglutinating (i.e., binding) property of coal? Caking index Gray-king index Swelling index Thickness of plastic layer Caking index Gray-king index Swelling index Thickness of plastic layer ANSWER DOWNLOAD EXAMIANS APP
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