Environmental Engineering in CE The pH value of oxidised sewage is about 7.3 13.4 6.2 1.8 7.3 13.4 6.2 1.8 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 0.002 4.8 0.2 1.2 0.002 4.8 0.2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Higher concentration of CO₂ in atmosphere Prevents solar heat being radiated out completely, resulting in Reflects and absorbs the longer wavelength (infra-red) radiations Allows visible solar radiation (ultraviolet) of short wave-length to pass through All of these Prevents solar heat being radiated out completely, resulting in Reflects and absorbs the longer wavelength (infra-red) radiations Allows visible solar radiation (ultraviolet) of short wave-length to pass through All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present in the polluted water is removed by Chemical coagulation Oxidation followed by settling & filtration Simple filtration Chlorination only Chemical coagulation Oxidation followed by settling & filtration Simple filtration Chlorination only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. Arsenic Mercury Lead Fluoride Arsenic Mercury Lead Fluoride ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Average human body contains about __________ percent water by weight. 70 40 85 20 70 40 85 20 ANSWER DOWNLOAD EXAMIANS APP
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