Environmental Engineering in CE Nitrogen oxides (NOx) is not produced in the __________ industry. Any of these Nitric acid making Detergent Nitrogenous fertiliser Any of these Nitric acid making Detergent Nitrogenous fertiliser ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Corrosion in boilers can be prevented by 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 Deaeration of feed water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dissolved oxygen content in river water is around __________ ppm. 5 100 500 250 5 100 500 250 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Removal of __________ is accomplished by aeration of water. None of these Suspended solids Dissolved solids Dissolved gases None of these Suspended solids Dissolved solids Dissolved gases ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main type of sludge gas evolved during sewage treatment in Imhoff tank is H₂ CO₂ CH₄ CO H₂ CO₂ CH₄ CO 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) Total solids All of these Turbidity Color (Hazen) Total solids All of these Turbidity ANSWER DOWNLOAD EXAMIANS APP