Fuels and Combustion Gross and net calorific value of a fuel will be the same If its hydrogen/hydrogen compound content is zero Ifits carbon content is very low If its ash content is zero Under no circumstances If its hydrogen/hydrogen compound content is zero Ifits carbon content is very low If its ash content is zero Under no circumstances ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The heat of combustion of a fuel Is equal to the heat of formation Is always positive Can't be known without calculating it Is always negative Is equal to the heat of formation Is always positive Can't be known without calculating it Is always negative ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Caking index of a coal is a measure of its Reactivity Agglutinating (binding) properties Porosity Abradability Reactivity Agglutinating (binding) properties Porosity Abradability ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent. >71% None of these < 37% In between 37 & 71% >71% None of these < 37% In between 37 & 71% ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a measure of the agglutinating (i.e., binding) property of coal? Thickness of plastic layer Caking index Swelling index Gray-king index Thickness of plastic layer Caking index Swelling index Gray-king index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A particular coal is said to be free burning when it Shows little or no fusing action Burns completely None of these Gives smokeless burning Shows little or no fusing action Burns completely None of these Gives smokeless burning ANSWER DOWNLOAD EXAMIANS APP