Q. Stone ware pipes are

View solution

Q. Skimming tanks are

View solution

Q. Assertion (A) : The determination of pH value of sewerage is important. Reason (R) : The efficiency of certain treatment methods depends upon the availability of pH value.

View solution

Q. With self cleansing velocity in sewers

View solution

Q. 1/3rd or 1/4th extra space is left in sewer pipes at maximum discharge for

View solution

Q. Pick up the correct statement from the following :

View solution

Q. Antisyphonage pipe is fitted

View solution

Q. Aerobic activity is maximum

View solution

Q. In sewers designed with self cleansing velocity,

View solution

Q. Which one of the following resists hydrogen sulphide corrosion

View solution

Q. The sewerage system consists of

View solution

Q. Hume steel pipes are

View solution

Q. The minimum diameter of a sewer is kept

View solution

Q. The minimum diameter of sewer to be adopted is

View solution

Q. To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by pottassium dichromate in the presence of

View solution

Q. The discharge per unit plan area of a sedimentation tank, is generally called

View solution

Q. To maintain aerobic biological activity, the moisture content of the compost mass should be about

View solution

Q. The sewer that unloads the sewage at the point of treatment is called

View solution

Q. No treatment of the sewage is given if dilution factor is

View solution

Q. R.M.O. expenses include

View solution