Q. Due to the Aswan dam in Egypt, the countries cultivated area has been increased to

View solution

Q. Aswan high dam is situated in

View solution

Q. The solar evaporation can yield about ___ kg of fresh water per day per m² of basin surface.

View solution

Q. In which desalination process, solar energy is used?

View solution

Q. The pressure freezing process works on the vacuum free vapor compression principle.

View solution

Q. In which desalination process, the cooling of sea water is done to obtain fresh water?

View solution

Q. The maximum salt concentration up to which desalination of brackish water is possible by Electro-dialysis is _____________

View solution

Q. In Electro-dialysis, the electric energy which required is _____________

View solution

Q. In which desalination process, the salt ions are removed from seawater by means of electric current?

View solution

Q. The process in which the brackish water is forced across a permeable membrane by mechanical forces is called as _____________

View solution

Q. Which of the following desalination method is more suitable for brackish water than sea water?

View solution

Q. The number of stages involved in the desalination using a multistage flash evaporator is _________________

View solution

Q. Which of the following is the best evaporative desalinating method?

View solution

Q. Multistage flash evaporator produces _____ kg of water per kg of prime steam.

View solution

Q. Which of the following is not a type of distillation plant?

View solution

Q. Which of the following method is not used for desalination?

View solution

Q. Fluorex is a special mixture of ____________

View solution

Q. Which material is used for removing fluorides from hard water containing 3ppm of fluorides?

View solution

Q. Which material is used in contact filters for the removal of fluorides?

View solution

Q. One cubic metre of bone can treat how much quantity of water containing 3.5 ppm of fluoride?

View solution