Environmental Engineering The major disadvantage of lime soda process of water softening is that The effluent cannot be reduced to zero hardness It is unsuitable for softening the water of excessive hardness It is unsuitable for turbid and acidic water Huge amount of precipitate is formed which creates a disposal problem The effluent cannot be reduced to zero hardness It is unsuitable for softening the water of excessive hardness It is unsuitable for turbid and acidic water Huge amount of precipitate is formed which creates a disposal problem ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Laying of sewers is usually done with the help of A compass Sight rails and boning rods A plane table A Theodolite A compass Sight rails and boning rods A plane table A Theodolite 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 Only (i) (i) and (iii) All are correct (i) and (ii) Only (i) (i) and (iii) All are correct (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewage treatment units are designed for Minimum flow only Average flow only Maximum and minimum flow Maximum flow only Minimum flow only Average flow only Maximum and minimum flow Maximum flow only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The maximum discharge of a tube well is about 1000 liters/sec 50 liters/sec 500 liters/sec 5 liters/sec 1000 liters/sec 50 liters/sec 500 liters/sec 5 liters/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of filtered water, which is used for backwashing in rapid sand filters, is about 0.4 to 1.0 2 to 4 5 to 7 0.2 to 0.4 0.4 to 1.0 2 to 4 5 to 7 0.2 to 0.4 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS