Environmental Engineering in CE Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas? Packed scrubber Hydrocyclone Gravity settling chamber Electrostatic precipitator Packed scrubber Hydrocyclone Gravity settling chamber Electrostatic precipitator ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tolerable limit of nitrogen oxides in air is __________ ppm. 5 1 25 0.1 5 1 25 0.1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inorganic impurities causing water pollution is Fats Salts of metals Carbohydrates Protein Fats Salts of metals Carbohydrates Protein ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tri-sodium phosphate is used in boiler water treatment to reduce Suspended silica Turbidity Dissolved oxygen Caustic embrittlement Suspended silica Turbidity Dissolved oxygen Caustic embrittlement ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Corrosion in boilers can be prevented by Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion Enhancing pH of feed water by adding alkali All of these Deaeration of feed water Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion Enhancing pH of feed water by adding alkali All of these Deaeration of feed water ANSWER DOWNLOAD EXAMIANS APP
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