Environmental Engineering in CE High noise level in a chemical plant can be controlled by the All of these Path control of noise Suppression of noise at the source itself Protection of operating personnel All of these Path control of noise Suppression of noise at the source itself Protection of operating personnel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) of CO in air is __________ ppm. 2000 50 5 5000 2000 50 5 5000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water. All of these Total solids Turbidity Color (Hazen) All of these Total solids Turbidity Color (Hazen) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre)? Biological oxidation pond Activated carbon adsorption Chemical coagulation Lagooning Biological oxidation pond Activated carbon adsorption Chemical coagulation Lagooning ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Infective bacteria in water is killed by the __________ process. Disinfection Sterilisation Aeration None of these Disinfection Sterilisation Aeration None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Nitrogen oxides (NOx) is not produced in the __________ industry. Nitrogenous fertiliser Any of these Nitric acid making Detergent Nitrogenous fertiliser Any of these Nitric acid making Detergent ANSWER DOWNLOAD EXAMIANS APP
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