Environmental Engineering Which of the following chemical compounds can be used for de-chlorination of water? Bleaching powder Carbon dioxide Sulphur dioxide Chloramines Bleaching powder Carbon dioxide Sulphur dioxide Chloramines ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Assertion A: Slow sand filters are more efficient in removal of bacteria than rapid sand filters.Reason R: The sand used in slow sand filters is finer than that in rapid sand filtersSelect your answer based on the coding system given below: A is false but R is true A is true but R is false Both A and R is true but R is not the correct explanation of A Both A and R is true and R is the correct explanation of A A is false but R is true A is true but R is false Both A and R is true but R is not the correct explanation of A Both A and R is true and R is the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Scour valves are provided At street corners to control the flow of water At every summit of rising mains At the foot of rising main along the slope to prevent back running of water At every depression and dead ends to drain out the waste water that may collect there At street corners to control the flow of water At every summit of rising mains At the foot of rising main along the slope to prevent back running of water At every depression and dead ends to drain out the waste water that may collect there ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The disinfection efficiency of chlorine increases by (i) Decreasing the time of contact (ii) Decreasing the temperature of water (iii) Increasing the temperature of water Both (i) and (iii) Both (i) and (ii) Only (i) Only (iii) Both (i) and (iii) Both (i) and (ii) Only (i) Only (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The polluted water is one which Is safe and suitable for drinking and domestic use Contains pathogenic bacteria Is contaminated Consists of undesirable substances rendering it unfit for drinking and domestic use Is safe and suitable for drinking and domestic use Contains pathogenic bacteria Is contaminated Consists of undesirable substances rendering it unfit for drinking and domestic use ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The layout of distribution system in which water flows towards the outer periphery is Radial system Grid iron system Dead end system Ring system Radial system Grid iron system Dead end system Ring system ANSWER DOWNLOAD EXAMIANS APP
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