Fuels and Combustion Use of pulverised coal in boiler furnace provides Smokeless burning High calorific value Less erosion on furnace walls Better combustion Smokeless burning High calorific value Less erosion on furnace walls Better combustion ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Which of the following fuel gases is heavier than air? Natural gas Water gas Coke oven gas Blast furnace gas Natural gas Water gas Coke oven gas Blast furnace gas ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as M = 1.8 A M = 1.1 A M = 0.5 A M = A M = 1.8 A M = 1.1 A M = 0.5 A M = A ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Fossil fuels mean Those fuels which are found in the crust of earth Premature fuels with low calorific value Solid fuels Liquid fuels Those fuels which are found in the crust of earth Premature fuels with low calorific value Solid fuels Liquid fuels ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion High amount of sulphur and phosphorous in coke causes Decrease in its calorific value None of these Brittleness of steel made by using it Increase in its strength Decrease in its calorific value None of these Brittleness of steel made by using it Increase in its strength ANSWER DOWNLOAD EXAMIANS APP
Fuels and Combustion Tolerable concentration of toxic carbon monoxide in atmospheric air is about __________ PPm. 10000 5000 50 1000 10000 5000 50 1000 ANSWER DOWNLOAD EXAMIANS APP
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