Fuels and Combustion Coal tar (produced by high temperature carbonisation) is the main source of Olefins Paraffins Aromatic compounds Alphatic compounds Olefins Paraffins Aromatic compounds Alphatic compounds ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Main constituent of natural gas is C₂H₆ H₂ CH₄ (upto 90%) C₃H₈ C₂H₆ H₂ CH₄ (upto 90%) C₃H₈ ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Washing of coal does not reduce its None of these Heating value Fusion point of ash S & P content None of these Heating value Fusion point of ash S & P content 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. 1000 4000 8000 6000 1000 4000 8000 6000 ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In general, the limit of inflammability/explosion limit of fuel gases is widened by the All of these Use of pure oxygen for combustion instead of air Increase in temperature (i.e. preheating) Increase in gas pressure All of these Use of pure oxygen for combustion instead of air Increase in temperature (i.e. preheating) Increase in gas pressure ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Emission of dense white smoke out of the chimney of a thermal power plant is an indication of the use of Too much air for combustion Less air for combustion Correct amount of air for combustion Pulverised coal in boilers Too much air for combustion Less air for combustion Correct amount of air for combustion Pulverised coal in boilers ANSWER DOWNLOAD EXAMIANS APP