Environmental Engineering in CE The detrimental effect on organism and water quality with temperature rise of aquatic system is the reduction of __________ of water. Biological oxygen demand Vapor pressure All of these Dissolved oxygen content Biological oxygen demand Vapor pressure All of these Dissolved oxygen content ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by Filtration and recycling for cooling coke oven gas None of these Quenching of hot coke Discharging in the river stream Filtration and recycling for cooling coke oven gas None of these Quenching of hot coke Discharging in the river stream ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow control. It is caused due to Reynold stresses Shear forces Both A & B Neither A nor B Reynold stresses Shear forces Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. 1000 5 500 10000 1000 5 500 10000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tri-sodium phosphate is used in boiler water treatment to reduce Suspended silica Dissolved oxygen Turbidity Caustic embrittlement Suspended silica Dissolved oxygen Turbidity Caustic embrittlement ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Corrosion in boilers can be prevented by All of these Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion Enhancing pH of feed water by adding alkali Deaeration of feed water All of these Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion Enhancing pH of feed water by adding alkali Deaeration of feed water ANSWER DOWNLOAD EXAMIANS APP
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