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. Write briefly for Trolley Permits? It is the permit given to the Moter Trolley / Push Trolley, Cycle / Moped Trolley. It is essential to have Trolley Permit before taking t
In construction of a two-span bridge (span length = L) by using span-by-span construction, why is the length of about 1.25L bridge segment is constructed in first phase of construc
Explain the Perception Reaction Time A significant variable in the successful processing and use of information is the speed with which this is done. Perception-Reaction Time (
how activity charts and string diagram use in work study?
Earthquake force analysis method Dynamical method In contrast with the static loading, dynamical analysis method is discussed. In this method, structure reflections at any poin
Will going from a 3-tap to 6-tap increase water pressure? Ans) No, the pressure will be the similar, you will get more volume only if your pumps can handle the GPM, to enhance p
Road Pavements: Pavements constitute an important part of road as they withstand the traffic loads and transmit them to the earthen embankment. A study of the types of pavemen
Define Surface Communication - Underwater Inspection of Bridge? It is not necessary to have voice communication in all situations, particularly for shallow dives where the dive
How to calculate deflection
Define the Spalling - underwater inspection of bridge? A spall is a roughly circular or oval depression in the concrete. Corroding reinforcement can cause spalls and reinforcin
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