Fuels and Combustion Safe condition for storage of high V.M. bituminous coal is that Maximum 200 tons should be stored in a heap Neither A nor B Both A and B Height of the coal heap should be < 3 metres Maximum 200 tons should be stored in a heap Neither A nor B Both A and B Height of the coal heap should be < 3 metres ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Out of the following, which is the most important parameter for the blast furnace grade coke? Ash content Volatile matter content Moisture content CSR & CRI Ash content Volatile matter content Moisture content CSR & CRI ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes Increase in its strength None of these Brittleness of steel made by using it Decrease in its calorific value Increase in its strength None of these Brittleness of steel made by using it Decrease in its calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The optimum percentage of excess air for combustion depends upon the __________ of the fuel. Type (solid, liquid or gaseous) Calorific value Ignition temperature Sulphur content Type (solid, liquid or gaseous) Calorific value Ignition temperature Sulphur content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coke has the least percentage of ash? Beehive coke Petroleum coke Metallurgical coke Foundary coke Beehive coke Petroleum coke Metallurgical coke Foundary coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Pick out the wrong statement. Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing None of these Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing None of these ANSWER DOWNLOAD EXAMIANS APP