Fuels and Combustion Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher Calorific value Difference in gross & net calorific value Higher C/H ratio Sulphur content Calorific value Difference in gross & net calorific value Higher C/H ratio Sulphur content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The maximum adiabatic flame temperature is attained, when the fuel is burnt with Theoretically required amount of oxygen Theoretically required amount of air Less than theoretically required amount of air More than theoretically required amount of air Theoretically required amount of oxygen Theoretically required amount of air Less than theoretically required amount of air More than theoretically required amount of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value of L.D. converter gas is about __________ Kcal/Nm³ . 1800 4500 800 10000 1800 4500 800 10000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following would require least amount of secondary air for combustion? Bituminous coal containing 20% ash and 25% volatile matter Semi-bituminous coal containing 25% ash and 20% volatile matter Anthracite containing 10% volatile matter and 8% ash Coke breeze containing 25% ash and 2% volatile matter Bituminous coal containing 20% ash and 25% volatile matter Semi-bituminous coal containing 25% ash and 20% volatile matter Anthracite containing 10% volatile matter and 8% ash Coke breeze containing 25% ash and 2% volatile matter ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a single stage, fixed bed high pressure coal gasification process? Lurgi Process Kopper-Totzek process None of these Winkler process Lurgi Process Kopper-Totzek process None of these Winkler process ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which adsorbant is used for removing sulphur compounds (S Q, H₂S, RSH etc.) removal from coke oven gas in by-products recovery plant ? Bog iron (i.e., moist ferric hydroxide) Diatomaceous earth Basalt Silica gel Bog iron (i.e., moist ferric hydroxide) Diatomaceous earth Basalt Silica gel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS