Environmental Engineering in CE TLV of aldrin in public water supply system is about __________ μg/litre. 1097 17 357 0.5 1097 17 357 0.5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Death may occur, when SO₂ concentration in atmospheric air exceeds __________ ppm. 100 20 400 200 100 20 400 200 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. 60 90 120 20 60 90 120 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank. Digestion Sedimentation Filtration Both B and C Digestion Sedimentation Filtration Both B and C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most detrimental for water used in high pressure boiler? Silica Phenol Dissolved oxygen Turbidity Silica Phenol Dissolved oxygen Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Bog iron (iron oxide) Silica gel Active carbon Pulverised limestone Bog iron (iron oxide) Silica gel Active carbon Pulverised limestone ANSWER DOWNLOAD EXAMIANS APP
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