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)
A project requires that activities A and B can be started independently and activities C and D are independent but can be started after A and B have been completed. Activity E can
measurement of gauge box for sand ?
what are the basic two division of surveying
what is snowcem?
Define the Types of Sedimentation 1. Type I Particles that settle discretely (settle as individual particles) sand, grit Pre-sedimentation for sand prior to co
The objective of this module is:- - For the student to identify the track design issues and there relationships that will need to be considered in the development of a feasibili
Calculate the Actual Water Cement Ratio A jobsite delivery ticket is shown below for a grout mix. The actual w/c ratio is most nearly: Solution: Note, althou
Light Rail Transit (LRT) Light Rail Transit is also known by the name train. LRT can be run on the surface if road space is available (as in Kolkata) or as elevated, with pil
how activity charts and string diagram use in work study?
Indian Standard Codes All of the major countries like India, UK, USA, and Australia have their own standards for material standards, design procedures, testing standards, and
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