Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. Anaerobic decomposition Aerobic decomposition None of these Separation Anaerobic decomposition Aerobic decomposition None of these Separation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Average human body contains about __________ percent water by weight. 85 40 70 20 85 40 70 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 5000 1000 50 2000 5000 1000 50 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). 1.2 4.8 0.2 0.002 1.2 4.8 0.2 0.002 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. 1050 2 42 332 1050 2 42 332 ANSWER DOWNLOAD EXAMIANS APP
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