Environmental Engineering in CE Hardy cross method of analysis of distribution system(i) Involves successive trials(ii) Takes economic aspects into account(iii) Is time consuming All are correct (i) and (ii) (i) and (iii) Only (i) All are correct (i) and (ii) (i) and (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO₂ in air is __________ ppm. 5 2000 1000 500 5 2000 1000 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The amount of coagulant needed for coagulation of water increases with(i) Increase in turbidity of water(ii) Decrease in turbidity of water(iii) Increase in temperature of water(iv) Decrease in temperature of waterThe correct answer is (i)and(iv) (ii) and (iv) (i) and (ii) (ii) and (iii) (i)and(iv) (ii) and (iv) (i) and (ii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Corrosion in boilers can be prevented by 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 Enhancing pH of feed water by adding alkali Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Industrial workers working in leather tanning & manufacturing units are prone to suffer from Respirtory ailments (e.g. bronchitis) Silicosis Blurred vision Skin diseases (e.g. dermatities) Respirtory ailments (e.g. bronchitis) Silicosis Blurred vision Skin diseases (e.g. dermatities) 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. All of these Dissolved oxygen content Vapor pressure Biological oxygen demand All of these Dissolved oxygen content Vapor pressure Biological oxygen demand ANSWER DOWNLOAD EXAMIANS APP
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