Environmental Engineering in CE Which of the following is not a weightless pollutant? Radioactive rays SPM Noise pollution Thermal pollution Radioactive rays SPM Noise pollution Thermal pollution ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ can not control the noise pollution. Use of silencers Tree plantation Vibration damping Green house gases Use of silencers Tree plantation Vibration damping Green house gases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In a sedimentation tank, the detention period for water ranges from __________ hours. 24 to 32 2 to 4 16 to 20 8 to 12 24 to 32 2 to 4 16 to 20 8 to 12 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Solid content in most of the domestic sewage is about __________ percent. 10 0.001 5 0.1 10 0.001 5 0.1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most lethal water pollutant? Phenol and cynide Suspended solids Alkalis Chlorine Phenol and cynide Suspended solids Alkalis Chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Cleaning is done by(i) Scraping and removal in filters slow sand(ii) Back washing in slow sand filters(iii) Scraping and removal in filters rapid sand(iv) Back washing in rapid sand filtersThe correct answer is (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
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