Fuels and Combustion To avoid fire by spontaneous combustion of coal due to its low temperature oxidation, it should be stored in Closed space without any ventilation facility Fine sizes without the presence of any lump Large heaps with small surface to volume ratio Shallow and small piles Closed space without any ventilation facility Fine sizes without the presence of any lump Large heaps with small surface to volume ratio Shallow and small piles ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituents of benzol are Anthracene & phenol Benzene, toluene & xylene Ammonia & phenol Tar & creosote Anthracene & phenol Benzene, toluene & xylene Ammonia & phenol Tar & creosote ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Benzol is used For producing benzene, tolune & xylene by its distillation Both A & B As a motor fuel blend Neither A nor B For producing benzene, tolune & xylene by its distillation Both A & B As a motor fuel blend Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Combustion of pulverised coal as compared to that of lump coal Can be done with less excess air Develops a non-luminous flame Provides a lower rate of heat release Develops a low temperature flame Can be done with less excess air Develops a non-luminous flame Provides a lower rate of heat release Develops a low temperature flame ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature in air as compared to that in pure oxygen is Much higher Much lower Either lower or higher, depends on the type of fuel Same Much higher Much lower Either lower or higher, depends on the type of fuel Same ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Oxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around __________ percent. 20 96 40 4 20 96 40 4 ANSWER DOWNLOAD EXAMIANS APP