Fuels and Combustion Coal tar (produced by high temperature carbonisation) is the main source of Olefins Aromatic compounds Alphatic compounds Paraffins Olefins Aromatic compounds Alphatic compounds Paraffins ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases has the highest calorific value ? Coal bed methane (CBM) Liquefied petroleum gas (LPG) Sewage gas Natural gas Coal bed methane (CBM) Liquefied petroleum gas (LPG) Sewage gas Natural gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Nitrogen present in the flue gas is determined in the orsat apparatus by absorbing it in Ammoniacal cuprous chloride Pyrogallol solution None of these KOH Ammoniacal cuprous chloride Pyrogallol solution None of these KOH ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High temperature in gasification of coal favours Both B and C High production of CO₂ High production of CO Low production of CO₂ Both B and C High production of CO₂ High production of CO Low production of CO₂ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion With increase in calorific value of fuels, their adiabatic flame temperatures Increase Decrease May increase or decrease ; depends on the quantity of products of combustion Remain unchanged Increase Decrease May increase or decrease ; depends on the quantity of products of combustion Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion 'Fat coals' are those coals which have very high Volatile matter content Inherent moisture content Caking capacity Fusion point of its ash Volatile matter content Inherent moisture content Caking capacity Fusion point of its ash ANSWER DOWNLOAD EXAMIANS APP