Fuels and Combustion Which of the following is a rich fuel gas? Coal gas from underground gasification of coal Producer gas None of these Refinery gases Coal gas from underground gasification of coal Producer gas None of these Refinery gases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher Difference in gross & net calorific value Sulphur content Higher C/H ratio Calorific value Difference in gross & net calorific value Sulphur content Higher C/H ratio Calorific value 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 ? Bag filter Hydrocyclones Wet scrubber Multicyclones Bag filter Hydrocyclones Wet scrubber Multicyclones ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature in air as compared to that in pure oxygen is Much lower Much higher Same Either lower or higher, depends on the type of fuel Much lower Much higher Same Either lower or higher, depends on the type of fuel ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A travelling grate stoker is meant for the efficient burning of __________ coal. Caking High ash Non-caking Pulverised Caking High ash Non-caking Pulverised ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The sequence of absorption in flue gas analysis by Orsat's apparatus is respectively CO, O₂, CO₂ CO₂, O₂, CO O₂, CO₂, CO CO₂, CO, O₂ CO, O₂, CO₂ CO₂, O₂, CO O₂, CO₂, CO CO₂, CO, O₂ ANSWER DOWNLOAD EXAMIANS APP
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