Fuels and Combustion Froth floatation is used for Washing fine coal dust (< 0.5 mm size) All of these Removing ash from the coal based on difference in specific gravity of coal and ash Washing lump coal (> 80 mm size) Washing fine coal dust (< 0.5 mm size) All of these Removing ash from the coal based on difference in specific gravity of coal and ash Washing lump coal (> 80 mm size) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In Lurgi coal gasifier, Coking coals cannot be used Low carbon conversion efficiency is achieved Entrainment of solids is higher Larger quantity of coal can be processed Coking coals cannot be used Low carbon conversion efficiency is achieved Entrainment of solids is higher Larger quantity of coal can be processed ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal? Clarain Durain Vitrain Fussain Clarain Durain Vitrain Fussain ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Higher efficiency in the combustion of solid fuel can not be achieved by Keeping the flue gas exhaust temperature very high Supplying correct quantity of combustion air Proper fuel preparation Adopting efficient-fuel firing technique & equipment Keeping the flue gas exhaust temperature very high Supplying correct quantity of combustion air Proper fuel preparation Adopting efficient-fuel firing technique & equipment 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. 250-270 80-170 280-300 200-300 250-270 80-170 280-300 200-300 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Efficiency of the combustion of a fuel is judged by the __________ the flue gas. Colour of %of CO₂ in % of O₂in Temperature of Colour of %of CO₂ in % of O₂in Temperature of ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS