Q. Which of the following factors does not contribute to enhanced stability of homogenized milk?

View solution

Q. What is the flux of a membrane filter if it contains 75 sq. ft. of filter area and operates for 24 hours at a flow rate of 5 gpm? Assume that the water temperature is 20℃.

View solution

Q. What is the specific flux of the system if it contains 75 sq. ft. of filter area and operates for 24 hours at a flow rate of 5 gpm? Assume that the water temperature is 20℃ and the TMP of the system is 20 psi.

View solution

Q. Which of the following qualities do not determine the percent recovery in membrane treatment?

View solution

Q. Which of the following mechanisms is used by a membrane filter to remove particulate material from the water?

View solution

Q. The membrane filtration level with the smallest pore size (0.0001 – 0.001 µm) is called_____________

View solution

Q. The flow rate through the membrane filter itself expressed as a gallon per square foot per day is called?

View solution

Q. Which one of the following is the name of the process of reversing the direction of water flow through the filter using filtered water?

View solution

Q. The filtered water that has been treated by a membrane filter is called _____________

View solution

Q. Which of the following remains the primary use of membrane filtration in water treatment?

View solution

Q. Which of the following are different forms of membrane filter construction?
I) Hollow filter

II) TMP

III) Spiral wound

IV) Ceramic

V) Cross flow

VI) Electro dialysis

View solution

Q. A raw water reservoir would be an example of which membrane pretreatment method (where the goal is to reduce the loading and fouling potential of the water fed to the membrane)?

View solution

Q. Which of the following is a valid name for a test for testing membrane integrity?

View solution

Q. Chlorines, acids, and bases are three types of chemicals used to do which of the following?

View solution

Q. Which of the following mechanisms is not used by a membrane filter to remove particulate material from the water?

View solution

Q. For surface water system, the required residual disinfectant concentration may not be less than _______ mg/L for more than ___________ hours before the first customer.

View solution

Q. Pore size Micro-filtration membrane ranges from _________

View solution

Q. Pore size Ultra-filtration membrane ranges from ________

View solution

Q. Pore size Nano-filtration membrane ranges from __________

View solution

Q. Pore size RO membrane ranges from _____________

View solution