Fuels and Combustion Which of the following is the most important deterrents to an extended use of pulverised coal in boiler firing? Erosion of induced draft fan blades Excessive fly-ash discharge from the stack High power consumption in its transportation Ash disposal problem Erosion of induced draft fan blades Excessive fly-ash discharge from the stack High power consumption in its transportation Ash disposal problem ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Natural draught produced by a chimney depends upon the Neither A nor B Density of the chimney gases Height of the chimney Both A & B Neither A nor B Density of the chimney gases Height of the chimney Both A & B ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion __________ of the coal is the basis for Seylor's coal classification. Calorific value Proximate analysis Caking index Ultimate analysis Calorific value Proximate analysis Caking index Ultimate analysis ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Cannel coal and boghead coal are the examples of None of these Liptobiolites Sapropelic coals Humic coals None of these Liptobiolites Sapropelic coals Humic coals ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion A coal having higher volatile matter content, has lower Smoking tendency on burning Chance of catching fire during storage in open space Ignition temperature Coke oven gas yield on carbonisation Smoking tendency on burning Chance of catching fire during storage in open space Ignition temperature Coke oven gas yield on carbonisation ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion During coal carbonisation process, the conversion of semi-coke to coke is accompanied by an increase in the __________ of the mass. Density Porosity Electrical resistivity None of these Density Porosity Electrical resistivity None of these ANSWER DOWNLOAD EXAMIANS APP
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