Environmental Engineering in CE During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank. Filtration Both B and C Sedimentation Digestion Filtration Both B and C Sedimentation Digestion 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. 90 60 105 120 90 60 105 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE White smoke coming out of the chimney of a furnace indicates the use of Gaseous fuel in the furnace Liquid fuel in the furnace Low excess air Very high excess air Gaseous fuel in the furnace Liquid fuel in the furnace Low excess air Very high excess air ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A standard test for determination of hardness in water is termed as __________ test. Presumptive Electometric EDTA Total count Presumptive Electometric EDTA Total count ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by Biological oxygen pond Filtration Lagoons Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) Biological oxygen pond Filtration Lagoons Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Arsenic pollutant is not generated in____industries. Tanneries Glass & ceramic Beverages Any of these Tanneries Glass & ceramic Beverages Any of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS