Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 1000 20 1 100 1000 20 1 100 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 Ionosphere Stratosphere None of these Troposphere Ionosphere Stratosphere None of these Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution due to excessive heat & temperature in the working place causes High breathing rate Reduction in working efficiency of manpower Fatigue All of these High breathing rate Reduction in working efficiency of manpower Fatigue All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level in a quiet private business office is about __________ decibels. 70 25 85 50 70 25 85 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagooning process is mainly a means of the Biological treatment of wastes Sludge disposal Reduction of excessive flow in sewers None of these Biological treatment of wastes Sludge disposal Reduction of excessive flow in sewers None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE If the coli form bacteria is present in a sample of water, then the coli-form test to be conducted is(i) Presumptive coli-form test(ii) Confirmed coli-form test(iii) Completed coli-form test All (i), (ii) and (iii) Both (i) and (ii) Only (i) Both (i) and (iii) All (i), (ii) and (iii) Both (i) and (ii) Only (i) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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