Environmental Engineering in CE Smog is not formed due to the presence of __________ in the atmosphere. NOx CO₂ SO₂ Any of these NOx CO₂ SO₂ Any of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level in a quiet private business office is about __________ decibels. 85 50 70 25 85 50 70 25 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes Turbidity Odour nuisances Undesirable plant growth Foaming Turbidity Odour nuisances Undesirable plant growth Foaming ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Carbonate Sulphate Calcium Choride Carbonate Sulphate Calcium Choride ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about __________ decibels. 90 60 105 120 90 60 105 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Corrosion in boilers can be prevented by Enhancing pH of feed water by adding alkali Deaeration of feed water All of these Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion Enhancing pH of feed water by adding alkali Deaeration of feed water All of these Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion ANSWER DOWNLOAD EXAMIANS APP
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