Fuels and Combustion Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent. 35 to 45 75 55 to 75 15 to 25 35 to 45 75 55 to 75 15 to 25 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of N-paraffin is lower than that of iso-paraffins of the same compounds Light paraffinic fuel oils is lower than that of equivalent olefins Light paraffinic fuel oils is equal to that of equivalent olefins Light paraffinic fuel oils is higher than that of equivalent olefins N-paraffin is lower than that of iso-paraffins of the same compounds Light paraffinic fuel oils is lower than that of equivalent olefins Light paraffinic fuel oils is equal to that of equivalent olefins Light paraffinic fuel oils is higher than that of equivalent olefins ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Froth floatation is used for Washing lump coal (> 80 mm size) All of these Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) Washing lump coal (> 80 mm size) All of these Removing ash from the coal based on difference in specific gravity of coal and ash Washing fine coal dust (< 0.5 mm size) 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 Combustion of pulverised coal as compared to that of lump coal 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 Can be done with less excess air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of force moisture in coal is most disadvantageous during its Washing Pulverisation Transportation and handling Storage Washing Pulverisation Transportation and handling Storage ANSWER DOWNLOAD EXAMIANS APP