Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Explain Chlorine Residuals
Free Chlorine Residuals: Cl2, HOCl, OCl-
Combined Chlorine Residuals: Chloramines (mono, di and tri chloramines)
The disinfecting ability of chloramines is much lower than that of free chlorine.
Satisfactory results can be obtained if a free chlorine residual of 0.2 to 0.5 mg/L can be maintained in the distribution system. Also if approved by health authorities combined chlorine residuals in the range of 1 to 2 mg/L should maintained at distant points in the distribution system.
Trihalomethanes (the following) which are formed as a result of chlorination are harmful and this must be avoided.
CHCl3 trichloromethane (chloroform)
CHBrCl2 bromodichloromethane
CHBr2Cl dibromochloromethane
CHBr3 tribromomethane (bromoform)
Q. Differences between pipe jacking and micro-tunnelling? Pipe jacking is a general scheme of installation of pipes with a tunnelling shield in front and the pipes are jacked f
A retaining wall 12 metres high is proposed to hold sand. The values of void ratio and φ in the loose state are 0.63 and 30° whereas they are 0.42 and 40° in the dense state. Suppo
curing of brick masonry
distinguish between retaining wall and breast wall
Joints in Concrete Pavements: Concrete pavements in India are of the jointed plain (unreinforced type). The following types of joints are needed in them : (a) Transverse C
what are their types
what is plastic?its types and composition and its uses as engineering material
Ask question #Mindasfimum 100 words accepted#
A Beam A B 12 meter long rests on supports 9 meter apart the right hand end over hanging the supports by 1 m and the left hand end by 2 m . The beam carries a uniformity distribute
chaining on level surface
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd