Fuels and Combustion High temperature in gasification of coal favours Both B and C High production of CO High production of CO₂ Low production of CO₂ Both B and C High production of CO High production of CO₂ Low production of CO₂ 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 ? Producer gas Water gas Natural gas Blast furnace gas Producer gas Water gas Natural gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal is most disadvantageous during Handling (e.g. when emptying wagons) Its pulverisation (as it requires more power) Combustion of fire slacks on the grates None of these Handling (e.g. when emptying wagons) Its pulverisation (as it requires more power) Combustion of fire slacks on the grates None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke having higher porosity has Lower strength All of these Higher reactivity Lower bulk density Lower strength All of these Higher reactivity Lower bulk density ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300° ) may be reduced by about __________ percent as compared to the use of atmospheric combustion air. 10 35 5 20 10 35 5 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficiency of the combustion of a fuel is judged by the __________ the flue gas. Temperature of Colour of % of O₂in %of CO₂ in Temperature of Colour of % of O₂in %of CO₂ in ANSWER DOWNLOAD EXAMIANS APP