Environmental Engineering in CE In sewage treatment, its sedimentation is speeded up by commonly adding Hydrochloric acid Sodium sulphate Copper sulphate Lime Hydrochloric acid Sodium sulphate Copper sulphate Lime 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) B 8B 2B 4B B 8B 2B 4B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Industrial workers working in leather tanning & manufacturing units are prone to suffer from Skin diseases (e.g. dermatities) Silicosis Blurred vision Respirtory ailments (e.g. bronchitis) Skin diseases (e.g. dermatities) Silicosis Blurred vision Respirtory ailments (e.g. bronchitis) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm. 100-1000 10-100 100-200 100-1000 10-100 100-200 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 1 5 500 50 1 5 500 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Higher concentration of nitrogen dioxide in atmospheric air causes Cancer Bronchitis Corrosion Asphyxiation Cancer Bronchitis Corrosion Asphyxiation ANSWER DOWNLOAD EXAMIANS APP
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