Test: Types Of Sewage Filter


5 Questions MCQ Test Environmental Engineering | Test: Types Of Sewage Filter


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Attempt Test: Types Of Sewage Filter | 5 questions in 25 minutes | Mock test for Chemical Engineering preparation | Free important questions MCQ to study Environmental Engineering for Chemical Engineering Exam | Download free PDF with solutions
QUESTION: 1

 The filter material used in contact bed is

Solution:

Explanation: The filter material used in contact bed is broken stones called as stone ballast.

QUESTION: 2

Which of the following is called as contact bed?

Solution:

Explanation: Contact filters are water tight tanks which are used for the aerobic treatment of sewage. They are also called as contact bed.

QUESTION: 3

 How many types of trickling filters are used in sewage treatment?

Solution:

Explanation: The trickling filters are divided into conventional and high rate trickling filters.

QUESTION: 4

 The depth of the filter media of intermittent filter is

Solution:

Explanation: The minimum depth of filter media of intermittent filter is 60cm. These filters give highly nitrified effluent.

QUESTION: 5

Which of the following filter is used in anaerobic treatment of sewage?

Solution:

Explanation: Biological filter is used in anaerobic treatment, whereas intermittent sand filter, trickling filter and contact filter are used in aerobic treatment of sewage.

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