Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. None of these Separation Aerobic decomposition Anaerobic decomposition None of these Separation Aerobic decomposition Anaerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Average human body contains about __________ percent water by weight. 40 70 85 20 40 70 85 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 50 5000 2000 1000 50 5000 2000 1000 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). 0.002 0.2 1.2 4.8 0.002 0.2 1.2 4.8 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. 332 1050 2 42 332 1050 2 42 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS