Environmental Engineering in CE TLV of mercury in potable (drinking) water is about __________ ppm. 5 0.001 0.1 1 5 0.001 0.1 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Methyl iso-cynate (MIC) gas (TLV <1 ppm), which caused Bhopal gas tragedy in 1984 falls under the category of __________ toxic gas. Moderately Very extremely Extremely Highly Moderately Very extremely Extremely Highly ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dissolved oxygen content in river water is around __________ ppm. 100 250 500 5 100 250 500 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most efficient for removal of very finely divided suspended solids and colloidal matter from the polluted water stream? Sedimentation tank Chemical coagulation Mechanical flocculation Circular clarifier Sedimentation tank Chemical coagulation Mechanical flocculation Circular clarifier ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes All of these Nervous depression Paralysis of muscles & loss of appetite Gastritis & diarrhea All of these Nervous depression Paralysis of muscles & loss of appetite Gastritis & diarrhea ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels. 105 75 95 35 105 75 95 35 ANSWER DOWNLOAD EXAMIANS APP