Environmental Engineering in CE Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. 42 1050 332 2 42 1050 332 2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hardy cross method of analysis of distribution system(i) Involves successive trials(ii) Takes economic aspects into account(iii) Is time consuming Only (i) All are correct (i) and (iii) (i) and (ii) Only (i) All are correct (i) and (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE BOD of raw municipal sewage may be in the range of about __________ mg/litre. 1-2 2000-3000 5-10 150-300 1-2 2000-3000 5-10 150-300 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is a secondary air pollutant? Sulphur dioxide Dust particles Photochemical smog Nitrogen dioxide Sulphur dioxide Dust particles Photochemical smog Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main industrial source of emission of hydrogen sulphide air pollutant is Pulp and paper plant Petroleum refineries Metallurgical roasting & smelting plant Coal based thermal power plants Pulp and paper plant Petroleum refineries Metallurgical roasting & smelting plant Coal based thermal power plants ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Skimming tank Lagoon Oxidation Imhoff tank Skimming tank Lagoon Oxidation Imhoff tank ANSWER DOWNLOAD EXAMIANS APP
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