Environmental Engineering in CE Iron & manganese present as pollutant in water can not be removed by Chlorination Ion exchange process Lime soda process or manganese zeolite process Oxidation followed by settling & filtration Chlorination Ion exchange process Lime soda process or manganese zeolite process Oxidation followed by settling & filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Black smoke coming out of the chimney of a furnace is an indication of the use of __________ in the furnace. Large quantity of excess combustion air Hydrocarbon fuel Pulverised coal as fuel Low amount of excess combustion air Large quantity of excess combustion air Hydrocarbon fuel Pulverised coal as fuel Low amount of excess combustion air ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Shouting by a man at his full voice corresponds to a voice level of about __________ decibels. 120 50 80 25 120 50 80 25 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Methyl iso-cynate (MIC) gas (TLV <1 ppm), which caused Bhopal gas tragedy in 1984 falls under the category of __________ toxic gas. Extremely Very extremely Highly Moderately Extremely Very extremely Highly Moderately ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The detrimental effect on organism and water quality with temperature rise of aquatic system is the reduction of __________ of water. Dissolved oxygen content All of these Vapor pressure Biological oxygen demand Dissolved oxygen content All of these Vapor pressure Biological oxygen demand ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is the process of killing organism in water. Sterilisation Coagulation Sedimentation Disinfection Sterilisation Coagulation Sedimentation Disinfection ANSWER DOWNLOAD EXAMIANS APP