Fuels and Combustion Pick out the wrong statement. Regulation of furnace temperature and atmosphere (oxidising or reducing) is easily possible with pulverised fuel firing Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel None of these 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 Low grade coal can be used, but generally high volatile matter coals are more suitable for making pulverised fuel None of these Pulverised fuel can be completely burnt with less percentage of excess air compared to lump coal ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following coal gasification processes will produce gas having maximum methane content? All of these Winkler process Lurgi process Kopper-Totzek process All of these Winkler process Lurgi process Kopper-Totzek process ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if It contains large amount of volatile matter All of these It is stored in tall heaps Smaller fines are stored in large quantity It contains large amount of volatile matter All of these It is stored in tall heaps Smaller fines are stored in large quantity ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene is used for making Unsaturated polyesters Insecticides (e.g. moth balls) All of these Drug intermediates e.g. β-naphthol Unsaturated polyesters Insecticides (e.g. moth balls) All of these Drug intermediates e.g. β-naphthol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Of the total tar present in raw coke oven gas, the tar recovered in primary cooler is about __________ percent. 25 75 5 55 25 75 5 55 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Soft coke is not None of these A domestic fuel Produced by low temperature carbonisation of coal Used in blast furnaces None of these A domestic fuel Produced by low temperature carbonisation of coal Used in blast furnaces ANSWER DOWNLOAD EXAMIANS APP