Fuels and Combustion Initial pressure of oxygen introduced into the 'bomb' of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around __________ atm. 25-30 3-5 60-65 95-100 25-30 3-5 60-65 95-100 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Use of pulverised coal in boiler furnace provides Less erosion on furnace walls High calorific value Smokeless burning Better combustion Less erosion on furnace walls High calorific value Smokeless burning Better combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. Density Porosity Electrical resistivity None of these Density Porosity Electrical resistivity None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of Too much air for combustion Pulverised coal in boilers Less air for combustion Correct amount of air for combustion Too much air for combustion Pulverised coal in boilers Less air for combustion Correct amount of air for combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coke even gas produced by low temperature carbonisation of coal is about __________ Kcal/Nm³. 10000 6500 4000 2500 10000 6500 4000 2500 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Carbon Content by weight in air dried wood may be about __________ percent. 10 80 50 25 10 80 50 25 ANSWER DOWNLOAD EXAMIANS APP
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