Test: Construction Of Septic Tan


5 Questions MCQ Test Environmental Engineering | Test: Construction Of Septic Tan


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Attempt Test: Construction Of Septic Tan | 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 disposal of sewage from the septic tank is done by which of the following?

Solution:

Explanation: Soak pit is a circular pit through which sewage is disposed in the soil.

QUESTION: 2

The detention period of a septic tank is

Solution:

Explanation: The septic tank has a long detention period in comparison to sedimentation than with a detention period of 12 to 36 hours.

QUESTION: 3

The concentration of biodegradable organic matter after the septic tank is

Solution:

Explanation: The effluent contains 200-250 ppm of biodegradable organic matter after the treatment from the septic tank.

QUESTION: 4

What is the maximum design flow of sewage in a septic tank?

Solution:

Explanation: The design flow of sewage in a septic tank lies between 40 to 70 liters per person per day

QUESTION: 5

 Which of the following is not the method of disposal of sewage from septic tank?

Solution:

Explanation: Vacuum filter is used in the sludge dewatering process and upflow anaerobic filter, soil absorption system and biological filter are the method of disposal of sewage from the septic tank.

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