Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 100 80 145 125 100 80 145 125 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main industrial source of emission of hydrogen sulphide air pollutant is Coal based thermal power plants Metallurgical roasting & smelting plant Pulp and paper plant Petroleum refineries Coal based thermal power plants Metallurgical roasting & smelting plant Pulp and paper plant Petroleum refineries ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present in the polluted water is removed by Chlorination only Simple filtration Chemical coagulation Oxidation followed by settling & filtration Chlorination only Simple filtration Chemical coagulation Oxidation followed by settling & filtration 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). 0.2 0.002 4.8 1.2 0.2 0.002 4.8 1.2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polyvinyl chloride containers are not suitable for storing Metallic powder None of these Woolen clothes Foodstuffs Metallic powder None of these Woolen clothes Foodstuffs ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. Aerobic decomposition Anaerobic decomposition None of these Separation Aerobic decomposition Anaerobic decomposition None of these Separation ANSWER DOWNLOAD EXAMIANS APP
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