Fuels and Combustion With increase in moisture content of coal, its None of these Bulk density always decreases Clinkering tendency during combustion increases Calorific value increases sometimes None of these Bulk density always decreases Clinkering tendency during combustion increases Calorific value increases sometimes ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion If the specific heat of gaseous products of combustion of a fuel is high, the abiabatic flame temperature will be High Low None of these Very high, if the fuel is of low calorific value High Low None of these Very high, if the fuel is of low calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coke oven gas is stripped of its H₂S and mercaptans content by Bubbling it through dilute sulphuric acid Adsorption on silica gel Adsorption on bog iron bed Absorption in wash oil Bubbling it through dilute sulphuric acid Adsorption on silica gel Adsorption on bog iron bed Absorption in wash oil ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal is done to reduce the Mineral matter Both B and C Inherent impurities Adhering impurities Mineral matter Both B and C Inherent impurities Adhering impurities ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Safe condition for storage of high V.M. bituminous coal is that 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 Maximum 200 tons should be stored in a heap Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The main drawback of supplying more excess air in the combustion of fuel is the Enhanced sensible heat loss in the flue gas High exit flue gas temperature from the furnace Excessive power requirement of air blower Intermittant and uncontrolled combustion of the fuel Enhanced sensible heat loss in the flue gas High exit flue gas temperature from the furnace Excessive power requirement of air blower Intermittant and uncontrolled combustion of the fuel ANSWER DOWNLOAD EXAMIANS APP