Fuels and Combustion Presence of free moisture in coal during its high temperature carbonisation None of these Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls Reduces the coking time Increases the loss of fine coal dust from the ovens when charging None of these Protects the volatile products from pyrolysis (cracking) in the presence of hot coke and hot oven walls Reduces the coking time Increases the loss of fine coal dust from the ovens when charging ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Hard coke is manufactured from Bituminous coal Semi-anthracite Anthracite Lignite Bituminous coal Semi-anthracite Anthracite Lignite ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be Same Data insufficient; can't be predicted More Less Same Data insufficient; can't be predicted More Less ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is used for making the explosive 'TNT'? Benzol Cerosote Pyridine Toluene Benzol Cerosote Pyridine Toluene ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Naphthalene is used for making Drug intermediates e.g. β-naphthol Insecticides (e.g. moth balls) Unsaturated polyesters All of these Drug intermediates e.g. β-naphthol Insecticides (e.g. moth balls) Unsaturated polyesters All of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal that softens and fuses on heating is Classified Non-caking Caking Carbonised Classified Non-caking Caking Carbonised ANSWER DOWNLOAD EXAMIANS APP
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