Dairy Engineering Membrane Filter 1 Online Exam Quiz
Dairy Engineering Membrane Filter 1 GK Quiz. Question and Answers related to Dairy Engineering Membrane Filter 1. MCQ (Multiple Choice Questions with answers about Dairy Engineering Membrane Filter 1
For surface water system, the required residual disinfectant concentration may not be less than _______ mg/L for more than ___________ hours before the first customer.
Options
A : 0.2, 6
B : 2.0, 6
C : 0.2, 4
D : 2.0, 4
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?.
Options
A : 100 gallons per square foot per day
B : 98 gallons per square foot per day
C : 76 gallons per square foot per day
D : 59 gallons per square foot per day
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.
Options
A : 5.6 gfd/psi
B : 4.8 gfd/psi
C : 9.4 gfd/psi
D : 5.5 gfd/psi
Which of the following mechanisms is used by a membrane filter to remove particulate material from the water?
Options
A : Adsorption
B : Settling
C : Straining
D : Crystallization
Which one of the following is the name of the process of reversing the direction of water flow through the filter using filtered water?
Options
A : back pulse
B : reverse flow
C : air pressure
D : front pressure
Which of the following remains the primary use of membrane filtration in water treatment?
Options
A : Desalination of salt water to produce potable water
B : A pretreatment step in water treatment
C : Filtration of surface or ground water under the direct influence of surface water
D : Pre heating
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)?
Options
A : Filtration
B : Clarification
C : Chemical treatment
D : Pasteurization
Which of the following mechanisms is not used by a membrane filter to remove particulate material from the water?
Options
A : flux
B : reverse flow
C : particle counts
D : chlorine
Which of the following is a valid name for a test for testing membrane integrity?
Options
A : Flux membrane test
B : Reversal of flow test
C : Air pressure hold test
D : Sediment test
Which of the following qualities do not determine the percent recovery in membrane treatment?
Options
A : Membrane filtration level selected
B : Characteristic of membrane itself
C : Quality of feed water
D : Nutritional content of feed
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