Environmental Engineering in CE Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels. 145 125 85 105 145 125 85 105 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a 'particulate'? Smoke & fumes None of these Photochemical smog & soot Dust & mists Smoke & fumes None of these Photochemical smog & soot Dust & mists ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level during normal conversation among men is about __________ decibles. 45 115 90 10 45 115 90 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A standard test for determination of hardness in water is termed as __________ test. Presumptive EDTA Total count Electometric Presumptive EDTA Total count Electometric ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by Floatation & skimming Ultrafiltration Centrifugation Chemical coagulation Floatation & skimming Ultrafiltration Centrifugation Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Beyond what concentration of H₂S in air, acute danger to human life exists? 50 ppm 700 ppm 300 ppm 100 ppm 50 ppm 700 ppm 300 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP
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