Environmental Engineering in CE Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause Non biodegradable foam Explosion Undesirable plant growth Corrosion Non biodegradable foam Explosion Undesirable plant growth Corrosion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Turbidity of water is an indication of the presence of Dissolved gases Floating solids Suspended inorganic matter Dissolved solids Dissolved gases Floating solids Suspended inorganic matter Dissolved solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels. 140 200 170 120 140 200 170 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. 90 20 120 60 90 20 120 60 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about __________ decibels. 120 60 90 105 120 60 90 105 ANSWER DOWNLOAD EXAMIANS APP
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