Environmental Engineering in CE The pH value of potable water should be between 6.5 to 8 1 to 1.5 13 to 14 4 to 5 6.5 to 8 1 to 1.5 13 to 14 4 to 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. 5 1000 100 2000 5 1000 100 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart No. 2 corresponds to __________ percent black smoke. 40 10 80 20 40 10 80 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Disinfection of water is done to remove Bacteria Bad taste Foul odour Color Bacteria Bad taste Foul odour Color ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of iron and manganese in water causes Reduction in its dissolved oxygen content Discoloration of bathroom fixtures Temporary hardness None of these Reduction in its dissolved oxygen content Discoloration of bathroom fixtures Temporary hardness None of these 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 Troposphere Stratosphere Ionosphere None of these Troposphere Stratosphere Ionosphere None of these ANSWER DOWNLOAD EXAMIANS APP
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