Fuels and Combustion Naphthalene is used for making Insecticides (e.g. moth balls) Unsaturated polyesters All of these Drug intermediates e.g. β-naphthol Insecticides (e.g. moth balls) Unsaturated polyesters All of these Drug intermediates e.g. β-naphthol ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature? Heat transfer rate to the stock in the furnace Calorific value of the fuel Flame temperature achieved Speed of combustion of fuel Heat transfer rate to the stock in the furnace Calorific value of the fuel Flame temperature achieved Speed of combustion of fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis. 750 550 950 1150 750 550 950 1150 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Low temperature oxidation of coal resulting from bad storage conditions does not decrease its Hydrogen content Oxygen content Calorific value Caking power Hydrogen content Oxygen content Calorific value Caking power ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Bomb calorimeter can be used to determine the __________ of the coal. Sulphur content Neither A nor B Both A & B Calorific value Sulphur content Neither A nor B Both A & B Calorific value ANSWER DOWNLOAD EXAMIANS APP
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