Fuels and Combustion Coke having higher porosity has Lower bulk density Higher reactivity Lower strength All of these Lower bulk density Higher reactivity Lower strength All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coking time in narrow by-product coke ovens is around __________ hours. 18 48 8 80 18 48 8 80 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Prime coking coal is always blended with medium or non- coking coal before ear-bonisation To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Both A & B Neither A nor B Because, it alone produces unreactive coke To check against its excessive swelling during heating, which may exert high pressure and damage coke oven walls Both A & B Neither A nor B Because, it alone produces unreactive coke ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature in air is __________ the maximum flame temperature in pure oxygen. Lower than Same as Not related to Higher than Lower than Same as Not related to Higher than ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Safe condition for storage of high V.M. bituminous coal is that Height of the coal heap should be < 3 metres Neither A nor B Maximum 200 tons should be stored in a heap Both A and B Height of the coal heap should be < 3 metres Neither A nor B Maximum 200 tons should be stored in a heap Both A and B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following accounts for maximum energy loss in a boiler? Incomplete combustion Flue gases Unburnt carbon in flue gases Ash content in the fuel Incomplete combustion Flue gases Unburnt carbon in flue gases Ash content in the fuel ANSWER DOWNLOAD EXAMIANS APP
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