Fuels and Combustion Which of the following fuel gases has the highest calorific value ? Liquefied petroleum gas (LPG) Natural gas Sewage gas Coal bed methane (CBM) Liquefied petroleum gas (LPG) Natural gas Sewage gas Coal bed methane (CBM) ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal tar (produced by high temperature carbonisation) is the main source of Aromatic compounds Alphatic compounds Paraffins Olefins Aromatic compounds Alphatic compounds Paraffins Olefins ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion L.D. converter gas (produced in steel plant) comprises mainly of CO₂ & H₂ CO₂ & O₂ CO (upto 65%) & CO₂ CO & O₂ CO₂ & H₂ CO₂ & O₂ CO (upto 65%) & CO₂ CO & O₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion As the equilibrium moisture content of the coal increases, its Swelling number increases Swelling number decreases Bulk density decreases Calorific value increases Swelling number increases Swelling number decreases Bulk density decreases Calorific value increases ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Coal is heated in absence of air for 7 minutes at a temperature of about __________ °C, during its volatile matter determination for proximate analysis. 750 950 550 1150 750 950 550 1150 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Highly caking coals Both B and C Produce strong coke May damage the coke oven walls during carbonisation Produce weak coke Both B and C Produce strong coke May damage the coke oven walls during carbonisation Produce weak coke ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS