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. 3-5 95-100 25-30 60-65 3-5 95-100 25-30 60-65 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher Calorific value Higher C/H ratio Difference in gross & net calorific value Sulphur content Calorific value Higher C/H ratio Difference in gross & net calorific value Sulphur content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a poisonous fuel gas? None of these Coke oven gas Blast furnace gas Natural gas None of these Coke oven gas Blast furnace gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Beehive coke oven Produces coke with very poor strength Gives larger yield of coke (around 85%) as compared to by-product ovens Takes 2-3 days for coking of coal but requires no external fuel for heating Facilitates by-products recovery Produces coke with very poor strength Gives larger yield of coke (around 85%) as compared to by-product ovens Takes 2-3 days for coking of coal but requires no external fuel for heating Facilitates by-products recovery ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following will be unsuitable for dust cleaning from flue gas at 400°C from a pulverised coal fired boiler ? Multicyclones Bag filter Hydrocyclones Wet scrubber Multicyclones Bag filter Hydrocyclones Wet scrubber ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Narrow coke ovens as compared to wider coke ovens All of these Require less time of carbonisation Produce stronger coke Produce smaller coke All of these Require less time of carbonisation Produce stronger coke Produce smaller coke ANSWER DOWNLOAD EXAMIANS APP
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