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)
Most of the existing rubber dams are of air-filled types. Water-filled rubber dams aren't preferred for the below reasons: (i) By giving same sheet length and dam height, tensi
Explain the Installation of Shock Transmission Unit? It is not always necessary to install STUs while a structure is under construction but the holding down anchor bolts and th
with a neat well labelled, explain reciprocal ranging in surveying.
limitation in using with bitumen as watertight material
EXPLAIN THE USE OF INTERPOLATION IN CREATING CONTOUR LINE
As per Australian Standard AS 1170, what are the different types of loads that can be encountered by structures which need to be taken into account for their design?
For a system Q =W+ ΔE where ΔE is the change in E, the stored energy in the ΔE system. E has various forms 1. Kinetic Energy 2. Potential Energy Work do
How to calculate the slope in civil engineering?????
Classification Based on Availability: Forest departments categorized timbers based on the availability as X=Most common. 1415 m 3 or more per year Y=Common. 355 m 3 to 1415
#how to measure elongation of aggregate
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