Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr. 100 to 200 4000 to 5000 10 to 20 1500 to 2500 100 to 200 4000 to 5000 10 to 20 1500 to 2500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment plant, zeolite process is used to remove the __________ of water. Iron & zinc Alkalinity Acidity Hardness Iron & zinc Alkalinity Acidity Hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Deaeration of high pressure boiler feed water is done to reduce Foaming from boilers Its dissolved oxygen content Its silica content Caustic embrittlement Foaming from boilers Its dissolved oxygen content Its silica content Caustic embrittlement ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is removed from water by lime-soda process. Permanent hardness Iron and manganese Temporary hardness Foul smell and taste Permanent hardness Iron and manganese Temporary hardness Foul smell and taste ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust by human being causes Shortness of breath Tuberculosis Both B & C Asphyxiation Shortness of breath Tuberculosis Both B & C Asphyxiation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell. 4 0.01 0.1 1 4 0.01 0.1 1 ANSWER DOWNLOAD EXAMIANS APP
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