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