Environmental Engineering in CE Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. 150 120 90 180 150 120 90 180 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Aluminium sulphate Chloramine Ferrous sulphate Hydrated lime Aluminium sulphate Chloramine Ferrous sulphate Hydrated lime ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a green house gas other than COâ‚‚ ? Chlorofluro carbons (CFC) Nitrous oxide All of these Methane Chlorofluro carbons (CFC) Nitrous oxide All of these Methane ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Algae growth in water is controlled by Chlorination Deoxidation Bleaching Aeration Chlorination Deoxidation Bleaching Aeration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The length of rectangular sedimentation tank should not be more than(Where ‘B’ is the width of the tank) 2B 8B B 4B 2B 8B B 4B 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
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