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 Presence of __________ in a dry gaseous fuel does not contribute to its calorific value. Carbon Oxygen Sulphur Hydrogen Carbon Oxygen Sulphur Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent. < 37% In between 37 & 71% >71% None of these < 37% In between 37 & 71% >71% None of these ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion The calorific value is the highest out of the following for Water gas Coke oven gas Blast furnace gas Producer gas Water gas Coke oven gas Blast furnace gas Producer gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion In Lurgi coal gasifier, Low carbon conversion efficiency is achieved Entrainment of solids is higher Larger quantity of coal can be processed Coking coals cannot be used Low carbon conversion efficiency is achieved Entrainment of solids is higher Larger quantity of coal can be processed Coking coals cannot be used ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following is a single stage, fixed bed high pressure coal gasification process? None of these Lurgi Process Winkler process Kopper-Totzek process None of these Lurgi Process Winkler process Kopper-Totzek process ANSWER DOWNLOAD EXAMIANS APP
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