Fuels and Combustion Preheating of __________ the flame temperature. Combustion air decreases Either the fuel or the air or both, increases Either the fuel or the air does not affect The gaseous fuel before combustion decreases Combustion air decreases Either the fuel or the air or both, increases Either the fuel or the air does not affect The gaseous fuel before combustion decreases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Undercharging of coal in the by-product coke ovens results in Increase in its throughput No change in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas Increase in the c.v. of coke oven gas Increase in its throughput No change in the c.v. of coke oven gas Decrease in the c.v. of coke oven gas Increase in the c.v. of coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not endothermic? Cracking Gasification Reforming Partial oxidation Cracking Gasification Reforming Partial oxidation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High temperature in gasification of coal favours Both B and C Low production of CO₂ High production of CO₂ High production of CO Both B and C Low production of CO₂ High production of CO₂ High production of CO 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. 200-300 250-270 80-170 280-300 200-300 250-270 80-170 280-300 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature in air is __________ the maximum flame temperature in pure oxygen. Not related to Lower than Higher than Same as Not related to Lower than Higher than Same as ANSWER DOWNLOAD EXAMIANS APP