Environmental Engineering The percentage of chlorine in fresh bleaching powder is about 40 to 50 20 to 25 30 to 35 10 to 15 40 to 50 20 to 25 30 to 35 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Disinfection efficiency is Unaffected by pH value of water Reduced at higher pH value of water Highest at pH value equal to 7 Increased at higher pH value of water Unaffected by pH value of water Reduced at higher pH value of water Highest at pH value equal to 7 Increased at higher pH value of water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Dissolved oxygen in streams is Same throughout the day Maximum at noon Maximum at midnight Minimum at noon Same throughout the day Maximum at noon Maximum at midnight Minimum at noon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following sewers is preferred for combined system of sewage? Egg shaped sewer Rectangular sewer Circular sewer None of these Egg shaped sewer Rectangular sewer Circular sewer None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The velocity of flow does not depend on Length of sewer Hydraulic mean depth of sewer Grade of sewer Roughness of sewer Length of sewer Hydraulic mean depth of sewer Grade of sewer Roughness of sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Hardy cross method of analysis of distribution system (i) Involves successive trials (ii) Takes economic aspects into account (iii) Is time consuming (i) and (ii) (i) and (iii) All are correct Only (i) (i) and (ii) (i) and (iii) All are correct Only (i) ANSWER DOWNLOAD EXAMIANS APP