Environmental Engineering in CE In a sedimentation tank, the detention period for water ranges from __________ hours. 16 to 20 24 to 32 8 to 12 2 to 4 16 to 20 24 to 32 8 to 12 2 to 4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances. Suspended solid Oil & fatty Dissolved solid Gritty & inorganic Suspended solid Oil & fatty Dissolved solid Gritty & inorganic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE COD of raw municipal sewage may be in the range of about __________ mg/litre. 90-120 1-2 1500-2500 5-10 90-120 1-2 1500-2500 5-10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is A solid particle e.g. flyash A combination of smoke and fog Nothing but black smoke A liquid particle resulting from vapor condensation A solid particle e.g. flyash A combination of smoke and fog Nothing but black smoke A liquid particle resulting from vapor condensation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sulphur dioxide present in the industrial chimney exhaust gases causes Corrosion of building materials Reduction in plant's productivity owing to acid rain Respiratory & lung disease All of these Corrosion of building materials Reduction in plant's productivity owing to acid rain Respiratory & lung disease All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A man exposed to excessive noise level in the working environment may suffer from Hearing loss Nervousness & fatigue All of these Rupture of ear drum Hearing loss Nervousness & fatigue All of these Rupture of ear drum ANSWER DOWNLOAD EXAMIANS APP