Environmental Engineering The process in which the chlorination is done beyond the break point is known as Post chlorination Pre-chlorination Break point chlorination Super chlorination Post chlorination Pre-chlorination Break point chlorination Super chlorination 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 (iii) All are correct (i) and (ii) Only (i) (i) and (iii) All are correct (i) and (ii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Generally the detention period for grit chambers is kept as 24 hours 5 minutes 12 hours 1 minute 24 hours 5 minutes 12 hours 1 minute ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The self cleansing velocity for all sewers in India is usually Less than 1.0 m/sec 3.0 m/sec to 3.5 m/sec 1.5 m/sec to 2.0 m/sec 1.0 m/sec to 1.2 m/sec Less than 1.0 m/sec 3.0 m/sec to 3.5 m/sec 1.5 m/sec to 2.0 m/sec 1.0 m/sec to 1.2 m/sec ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The major disadvantage of lime soda process of water softening is that It is unsuitable for turbid and acidic water It is unsuitable for softening the water of excessive hardness The effluent cannot be reduced to zero hardness Huge amount of precipitate is formed which creates a disposal problem It is unsuitable for turbid and acidic water It is unsuitable for softening the water of excessive hardness The effluent cannot be reduced to zero hardness Huge amount of precipitate is formed which creates a disposal problem ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is Sluice valve Air relief valve Reflux valve Pressure relief valve Sluice valve Air relief valve Reflux valve Pressure relief valve ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS