Environmental Engineering in CE Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. Fluoride Lead Mercury Arsenic Fluoride Lead Mercury Arsenic 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 1.2 4.8 0.2 0.002 1.2 4.8 0.2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive solid nuclear wastes are disposed off by Pyrolysis High temperature incineration Underground burial in concrete containers Pathological incineration Pyrolysis High temperature incineration Underground burial in concrete containers Pathological incineration 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 Paralysis of muscles & loss of appetite Nervous depression Gastritis & diarrhea All of these Paralysis of muscles & loss of appetite Nervous depression Gastritis & diarrhea All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about __________ decibels. 95 140 120 75 95 140 120 75 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most major constituents of air pollutants? Oxides of sulphur Oxides of nitrogen Hydrogen sulphide Carbon monoxide Oxides of sulphur Oxides of nitrogen Hydrogen sulphide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS