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Test: Diffused Air System - Civil Engineering (CE) MCQ


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5 Questions MCQ Test - Test: Diffused Air System

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

Which of the following is called as air diffusion method?

Detailed Solution for Test: Diffused Air System - Question 1

Explanation: Diffused air aeration method is also called as air diffusion method where diffused air aerators are used for diffusing the air in the aeration tank.

Test: Diffused Air System - Question 2

The maximum quantity of air required in diffused aerator is ______ m3 per million litres of sewage.

Detailed Solution for Test: Diffused Air System - Question 2

Explanation: The minimum and maximum quantity of air required in diffused aerator is 6000 and 8000 m3 respectively per million litres of sewage.

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Test: Diffused Air System - Question 3

 The effective area of the diffuser plate used in the aeration tank is 

Detailed Solution for Test: Diffused Air System - Question 3

Explanation: Diffuser plates are provided at the bottom of the aeration tank . It is square in shape with the dimension of 30cm x 30cm.

Test: Diffused Air System - Question 4

 The maximum depth of aeration tank used in activated sludge process is

Detailed Solution for Test: Diffused Air System - Question 4

Explanation: The depth of aeration tank lies between 3 to 4.5m and is 4-6m wide.

Test: Diffused Air System - Question 5

Which device is used in the aeration tank for cleaning purposes?

Detailed Solution for Test: Diffused Air System - Question 5

Explanation: Tube diffuser is suspended in the aeration tank and can be used for cleaning without emptying the tank.

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