Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Alum Hydrazine Ferrous sulphate Lime Alum Hydrazine Ferrous sulphate Lime ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dust collection efficiency of a cyclone separator depends upon its Overall height Diameter All of these Inlet gas velocity Overall height Diameter All of these Inlet gas velocity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust causes a disease called Pneumoconiosis Silicosis Bronchitis None of these Pneumoconiosis Silicosis Bronchitis 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 None of these Ionosphere Troposphere Stratosphere None of these Ionosphere Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Corrosion in boilers can be prevented by Deaeration of feed water Enhancing pH of feed water by adding alkali Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion All of these Deaeration of feed water Enhancing pH of feed water by adding alkali Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum? Cruising Acceleration Deaccelaration Idle running Cruising Acceleration Deaccelaration Idle running ANSWER DOWNLOAD EXAMIANS APP
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