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)
Tendon splices Tendon splices are used to join tendons when continuous prestressed concrete , members require long tendons to achieve continuity. Several types of tendon splic
How to calculate economic span of ss bridge
M/i=e/r=f/y
Q. Sand layer vs. cement sand used as bedding of precast concrete paving units Cement sand is a mixture of sand and cement and it behaves as a cohesive mass once mixed. Usuall
Types of Cement In addition to ordinary Portland cement there are various varieties of cement. Significant varieties are briefly explained below: (i) White Cement: The ce
how many rcc is use for 1 brass?
Question Given a 1meter high staircase resting on solid concrete, could it be adequate to design nominal reinforcement for staircase? Answer For design of staircase,
Explain economical span if bridges
Problem (a) Briefly explain the concept of wind-driven ventilation and outlines its benefits over mechanical/electrical means of ventilation. (b) Various factors and guidel
Calculate the moment of inertia and section modulus (top and bottom of the beam) about the z-axis of the beam cross section of Fig.
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