Fuels and Combustion A gaseous fuel in order to develop luminousity on burning, must contain Oxygen Hydrogen Hydrocarbons Carbon monoxide Oxygen Hydrogen Hydrocarbons Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High rate of heating of coke ovens Increases the time of carbonisation None of these May damage its walls due to abrupt excessive swelling of coal Produces larger size coke Increases the time of carbonisation None of these May damage its walls due to abrupt excessive swelling of coal Produces larger size coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a rich fuel gas? Refinery gases Producer gas None of these Coal gas from underground gasification of coal Refinery gases Producer gas None of these Coal gas from underground gasification of coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a measure of the agglutinating (i.e., binding) property of coal? Gray-king index Caking index Thickness of plastic layer Swelling index Gray-king index Caking index Thickness of plastic layer Swelling index ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pulverised coal used in boiler firing need not have Lower ash content Less moisture content High bulk density High fusion point of its ash Lower ash content Less moisture content High bulk density High fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Grindability index of a coal is 100. It implies that the Coal can be easily pulverised Coal can be pulverised with great difficulty Coal can't be pulverised Power consumption in grinding the coal will be very high Coal can be easily pulverised Coal can be pulverised with great difficulty Coal can't be pulverised Power consumption in grinding the coal will be very high ANSWER DOWNLOAD EXAMIANS APP