Fuels and Combustion Coal tar fuels (CTF) as compared to petroleum based fuel oils have higher Calorific value Higher C/H ratio Sulphur content Difference in gross & net calorific value Calorific value Higher C/H ratio Sulphur content Difference in gross & net calorific value ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases has the highest calorific value ? Liquefied petroleum gas (LPG) Coal bed methane (CBM) Natural gas Sewage gas Liquefied petroleum gas (LPG) Coal bed methane (CBM) Natural gas Sewage gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Producer gas containing least amount of tar is produced by the Partial combustion of coal High pressure gasification of coal (e.g. in Lurgi gasifier) Partial combustion of large size (< 50 mm) coke Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier) Partial combustion of coal High pressure gasification of coal (e.g. in Lurgi gasifier) Partial combustion of large size (< 50 mm) coke Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. 10 & 3 3 & 10 15 & 8 10 & 20 10 & 3 3 & 10 15 & 8 10 & 20 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal does not reduce its None of these Fusion point of ash Heating value S & P content None of these Fusion point of ash Heating value S & P content ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal with high __________ content, would ignite most easily. Oxygen Volatile matter Fixed carbon Ash Oxygen Volatile matter Fixed carbon Ash ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS