Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Heavy metals and cynides All of these Soluble and toxic organics Suspended solids Heavy metals and cynides All of these Soluble and toxic organics Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most detrimental for water used in high pressure boiler? Phenol Turbidity Silica Dissolved oxygen Phenol Turbidity Silica Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water. Color (Hazen) Turbidity Total solids All of these Color (Hazen) Turbidity Total solids All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is a secondary air pollutant? Photochemical smog Sulphur dioxide Nitrogen dioxide Dust particles Photochemical smog Sulphur dioxide Nitrogen dioxide Dust particles ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels. 85 105 125 145 85 105 125 145 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of lead for public sewer/waste water is about __________ ppm. 25 150 1 650 25 150 1 650 ANSWER DOWNLOAD EXAMIANS APP
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