Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 10 to 15 0.1 to 1 15 to 20 3 to 6 10 to 15 0.1 to 1 15 to 20 3 to 6 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water. Color (Hazen) Turbidity Total solids All of these Color (Hazen) Turbidity Total solids All 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 None of these Troposphere Ionosphere Stratosphere None of these Troposphere Ionosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ bacteria in water causes disease like typhoid. Aerobic Pathogenic Anaerobic Non-pathogenic Aerobic Pathogenic Anaerobic Non-pathogenic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ can not control the noise pollution. Vibration damping Use of silencers Green house gases Tree plantation Vibration damping Use of silencers Green house gases Tree plantation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Lime Ferrous sulphate Hydrazine Alum Lime Ferrous sulphate Hydrazine Alum ANSWER DOWNLOAD EXAMIANS APP
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