Fuels and Combustion Orsat apparatus is meant for Finding out combustion efficiency Gravimetric analysis of flue gas None of these Direct determination of nitrogen in flue gas by absorbing it in ammoniacal cuprous chloride Finding out combustion efficiency Gravimetric analysis of flue gas None of these Direct determination of nitrogen in flue gas by absorbing it in ammoniacal cuprous chloride ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In low temperature carbonisation (as compared to high temperature carbonisation) of coal Free carbon in tar is more All of these Aliphatic tar is produced Ammonia yield is more Free carbon in tar is more All of these Aliphatic tar is produced Ammonia yield is more ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases has the highest calorific value ? Coal bed methane (CBM) Natural gas Liquefied petroleum gas (LPG) Sewage gas Coal bed methane (CBM) Natural gas Liquefied petroleum gas (LPG) Sewage gas 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 More than theoretically required amount of air Less than theoretically required amount of air Theoretically required amount of air Theoretically required amount of oxygen More than theoretically required amount of air Less than theoretically required amount of air Theoretically required amount of air ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Calorific value of coal middling generated in coal washeries during washing of coal may be around __________ Kcal/kg. 6000 1000 8000 4000 6000 1000 8000 4000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Presence of free moisture in coal during its high temperature carbonisation Reduces the coking time None of these Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls Increases the loss of fine coal dust from the ovens when charging Reduces the coking time None of these Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls Increases the loss of fine coal dust from the ovens when charging ANSWER DOWNLOAD EXAMIANS APP
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