Environmental Engineering in CE Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). 4.8 0.2 0.002 1.2 4.8 0.2 0.002 1.2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart is used for the evaluation of __________ pollution. Radioactive Water Noise Air Radioactive Water Noise Air ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not an air pollutant? Pesticides Carcinogens Metallic powders Ozone Pesticides Carcinogens Metallic powders Ozone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. Separation Aerobic decomposition None of these Anaerobic decomposition Separation Aerobic decomposition None of these Anaerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a green house gas other than COâ‚‚ ? Methane Chlorofluro carbons (CFC) Nitrous oxide All of these Methane Chlorofluro carbons (CFC) Nitrous oxide All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The length of rectangular sedimentation tank should not be more than(Where ‘B’ is the width of the tank) 4B 8B 2B B 4B 8B 2B B ANSWER DOWNLOAD EXAMIANS APP
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