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 95-100 60-65 25-30 3-5 95-100 60-65 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard pitch is used for making Perfumes Insecticides Pulverised fuel Plastics Perfumes Insecticides Pulverised fuel Plastics ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in presence of air to a temperature of about __________ °C, while determining its ash content for proximate analysis. 500 1100 750 950 500 1100 750 950 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the Increase in temperature (i.e. preheating) Use of pure oxygen for combustion instead of air Increase in gas pressure All of these Increase in temperature (i.e. preheating) Use of pure oxygen for combustion instead of air Increase in gas pressure All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fuel combustion is never cent per cent efficient due to Moisture loss All of these Dry gas/stack gas loss Incomplete combustion Moisture loss All of these Dry gas/stack gas loss Incomplete combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Too much of excess air in combustion results in high Fuel consumption for the same heat load Percentage of oxygen in flue gases Stack gas temperature All of these Fuel consumption for the same heat load Percentage of oxygen in flue gases Stack gas temperature All of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS