Environmental Engineering in CE Which of the following is not a weightless pollutant? Thermal pollution SPM Noise pollution Radioactive rays Thermal pollution SPM Noise pollution Radioactive rays ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels. 185 135 105 160 185 135 105 160 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the Oxygen ion concentration Bacterial stability factor Biological oxygen demand (BOD) Relative stability Oxygen ion concentration Bacterial stability factor Biological oxygen demand (BOD) Relative stability ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerosols present in atmospheric air may be Positively charged Neutral Combination of all A, B & C Negatively charged Positively charged Neutral Combination of all A, B & C Negatively charged ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Growth of __________ is promoted by the presence of manganese in water. Mosquitoes Algae Files Micro-organisms Mosquitoes Algae Files Micro-organisms ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of lead for public sewer/waste water is about __________ ppm. 150 650 1 25 150 650 1 25 ANSWER DOWNLOAD EXAMIANS APP
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