Environmental Engineering in CE Exposure to SO₂ containing chimney gases results in the Increased drying & hardening time of paints All of these Reduction in strength of leather & cloth Acceleration of corrosion rates of metals Increased drying & hardening time of paints All of these Reduction in strength of leather & cloth Acceleration of corrosion rates of metals ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In large thermal power stations very fine particulates present in flue gas are removed by Dust catcher Bag filter Wet scrubber Electrostatic precipitators Dust catcher Bag filter Wet scrubber Electrostatic precipitators ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) of CO in air is __________ ppm. 5 2000 5000 50 5 2000 5000 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Removal of __________ results from the disinfection of water. Turbidity Hardness Odour Bacteria Turbidity Hardness Odour Bacteria ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 4 to 5 1 to 2 9 to 10 15 to 20 4 to 5 1 to 2 9 to 10 15 to 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 2000 5000 50 1000 2000 5000 50 1000 ANSWER DOWNLOAD EXAMIANS APP
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