Fuels and Combustion Bituminous coal Burns with smoky yellow flame Is generally coking Ignites less easily than anthracite Both B and C Burns with smoky yellow flame Is generally coking Ignites less easily than anthracite Both B and C ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Wind loss' resulting from unscientific storage of coal may be the order of about __________ percent. 7.5 14.5 2.5 10.5 7.5 14.5 2.5 10.5 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fossil fuels mean Liquid fuels Solid fuels Those fuels which are found in the crust of earth Premature fuels with low calorific value Liquid fuels Solid fuels Those fuels which are found in the crust of earth Premature fuels with low calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be More Data insufficient; can't be predicted Less Same More Data insufficient; can't be predicted Less Same ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel gases containing hydrocarbons (ie.g. coke oven gas) are not preheated before burning, mainly because It reduces its calorific value tremendously There are chances of explosion during preheating It reduces its flame temperature tremendously The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot It reduces its calorific value tremendously There are chances of explosion during preheating It reduces its flame temperature tremendously The hydrocarbons crack thereby choking and fouling the heat transfer surface by carbon soot ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal that softens and fuses on heating is Classified Non-caking Caking Carbonised Classified Non-caking Caking Carbonised ANSWER DOWNLOAD EXAMIANS APP