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Test: Pressure Filter - Civil Engineering (CE) MCQ


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10 Questions MCQ Test - Test: Pressure Filter

Test: Pressure Filter for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Test: Pressure Filter questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Pressure Filter MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Pressure Filter below.
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Test: Pressure Filter - Question 1

 In which of the following filter, water is passed under higher pressure?

Detailed Solution for Test: Pressure Filter - Question 1

Explanation: The pressure filter is a type of rapid sand filter kept in a closed container where water is passed under higher pressure.

Test: Pressure Filter - Question 2

What is the range of pressure in pressure filter? 

Detailed Solution for Test: Pressure Filter - Question 2

Explanation: The range of pressure of pressure filter is 3-7 kg/cm2, which is done by pumping either in horizontal or vertical type pressure filter.

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Test: Pressure Filter - Question 3

 The diameter of the vertical type pressure filter is

Detailed Solution for Test: Pressure Filter - Question 3

Explanation: The diameter of the vertical type pressure filter is 2-2.5 m and its length varies from 2.5 to 8m.

Test: Pressure Filter - Question 4

The effective size of a pressure sand filter is ______

Detailed Solution for Test: Pressure Filter - Question 4

Explanation: The effective size of a pressure sand filter lies in the range of 0.35-0.6mm and its common value is 0.45mm.

Test: Pressure Filter - Question 5

 What is the value of uniformity coefficient in a pressure sand filter?

Detailed Solution for Test: Pressure Filter - Question 5

Explanation: The value of uniformity coefficient in a pressure sand filter lies between 1.2 and 1.7 and its common value is 1.5.

Test: Pressure Filter - Question 6

 The thickness of sand bed of a pressure filter is_____ cm

Detailed Solution for Test: Pressure Filter - Question 6

Explanation: The thickness of sand bed of a pressure filter is 50-60 cm, whereas the gravel layers of pressure filter are same as a rapid sand filter.

Test: Pressure Filter - Question 7

Which type of filter is used in treating swimming pool water?

Detailed Solution for Test: Pressure Filter - Question 7

Explanation: The pressure filter is used for treating swimming pool water. It is also used for clarifying softened water at industrial plants.

Test: Pressure Filter - Question 8

The under drainage system in pressure consists of

Detailed Solution for Test: Pressure Filter - Question 8

Explanation: The under drainage system in pressure consists of pipe grids, false bottom and the washing of filter media is accomplished by reversing the flow by manipulating the valves in the pipe.

Test: Pressure Filter - Question 9

Consider the following statements regarding pressure filter
1. It is easy to inspect the under drainage system
2. It is not possible to provide time for chlorination in direct supply from it
3. It is not possible to observe the degree of back washing and the agitation process
Which of the above statement is correct?

Detailed Solution for Test: Pressure Filter - Question 9

Explanation: It is difficult to inspect, replace and clean the sand, gravel and under drainage system of pressure filter.

Test: Pressure Filter - Question 10

 The rate of filtration of pressure filtration is ______ l/m2/hour.

Detailed Solution for Test: Pressure Filter - Question 10

Explanation: The rate of filtration of pressure filtration is 6000-15000l/m2/hour due to which it is used for treatment of swimming pool water.

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