Fuels and Combustion 'Fat' coal means a coal having Low ash content Non smoking tendency Low calorific value High volatile matter Low ash content Non smoking tendency Low calorific value High volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in the time of carbonisation at a particular temperature (say 1000°C), the __________ percentage in coke oven gas increases. Hydrogen All of these Methane Unsaturated hydrocarbons Hydrogen All of these Methane Unsaturated hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value as determined by bomb calorimeter is the Net calorific value at constant volume Higher calorific value at constant volume Lower calorific value at constant pressure Gross calorific value at constant pressure Net calorific value at constant volume Higher calorific value at constant volume Lower calorific value at constant pressure Gross calorific value at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm. 5000 1000 50 10000 5000 1000 50 10000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300° ) may be reduced by about __________ percent as compared to the use of atmospheric combustion air. 20 35 5 10 20 35 5 10 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of nitrogen in combustion air does not reduce the Any of the above Flue gas temperature Amount of heat liberated Flame temperature Any of the above Flue gas temperature Amount of heat liberated Flame temperature ANSWER DOWNLOAD EXAMIANS APP