Environmental Engineering in CE Foul odour and bad taste of water is removed by treating with Bleaching powder Activated carbon Alum Copper sulphate Bleaching powder Activated carbon Alum Copper sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Workers working in __________ industry are most prone to white lung cancer. Textile Limestone mining Asbestos Coal mining Textile Limestone mining Asbestos Coal mining ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 4 to 5 9 to 10 15 to 20 1 to 2 4 to 5 9 to 10 15 to 20 1 to 2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following sources is responsible for maximum air pollution? Automobiles exhaust Photochemical oxidation of organic matter Industrial chimney exhaust Forest fire Automobiles exhaust Photochemical oxidation of organic matter Industrial chimney exhaust Forest fire ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the None of these Stratosphere Ionosphere Troposphere None of these Stratosphere Ionosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. 2000 100 5 1000 2000 100 5 1000 ANSWER DOWNLOAD EXAMIANS APP
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