Environmental Engineering in CE The pH value of potable water should be between 4 to 5 13 to 14 1 to 1.5 6.5 to 8 4 to 5 13 to 14 1 to 1.5 6.5 to 8 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels. 85 125 145 105 85 125 145 105 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tri-sodium phosphate is used in boiler water treatment to reduce Dissolved oxygen Turbidity Suspended silica Caustic embrittlement Dissolved oxygen Turbidity Suspended silica Caustic embrittlement ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The per capital consumption of a locality is affected by(i) Climatic conditions(ii) Quality of water(iii) Distribution pressure Both (i) and (ii) Only (i) Both (i) and (iii) All (i), (ii) and (iii) Both (i) and (ii) Only (i) Both (i) and (iii) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment plant, zeolite process is used to remove the __________ of water. Acidity Iron & zinc Alkalinity Hardness Acidity Iron & zinc Alkalinity Hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO₂ in air is __________ ppm. 500 5 1000 2000 500 5 1000 2000 ANSWER DOWNLOAD EXAMIANS APP
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