# Civil Engineering - Waste Water Engineering

## Why Civil Engineering Waste Water Engineering?

In this section you can learn and practice Civil Engineering Questions based on "Waste Water Engineering" and improve your skills in order to face the interview, competitive examination and various entrance test (CAT, GATE, GRE, MAT, Bank Exam, Railway Exam etc.) with full confidence.

## Where can I get Civil Engineering Waste Water Engineering questions and answers with explanation?

IndiaBIX provides you lots of fully solved Civil Engineering (Waste Water Engineering) questions and answers with Explanation. Solved examples with detailed answer description, explanation are given and it would be easy to understand. All students, freshers can download Civil Engineering Waste Water Engineering quiz questions with answers as PDF files and eBooks.

## Where can I get Civil Engineering Waste Water Engineering Interview Questions and Answers (objective type, multiple choice)?

Here you can find objective type Civil Engineering Waste Water Engineering questions and answers for interview and entrance examination. Multiple choice and true or false type questions are also provided.

## How to solve Civil Engineering Waste Water Engineering problems?

You can easily solve all kind of Civil Engineering questions based on Waste Water Engineering by practicing the objective type exercises given below, also get shortcut methods to solve Civil Engineering Waste Water Engineering problems.

### Exercise :: Waste Water Engineering - Section 1

1.

The minimum recommended diameter of sewers, is

 A. 5 cm B. 10 cm C. 15 cm D. 20 cm.

Explanation:

No answer description available for this question. Let us discuss.

2.

Aerobic bacterias

 A. flourish in the presence of free oxygen B. consume organic matter as their food C. oxidise organic matter in sewage D. All the above.

Explanation:

No answer description available for this question. Let us discuss.

3.

The rate of accumulation of sludge in septic tanks is recommended as

 A. 30 litres/person/year B. 25 litres/person/year C. 30 litres/person/month D. 25 litres/person/month.

Explanation:

No answer description available for this question. Let us discuss.

4.

If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is

 A. 200 ppm B. 225 ppm C. 250 ppm D. None of these.

Explanation:

No answer description available for this question. Let us discuss.

5.

If D is the diameter of upper circular portion, the overall depth of a standard egg shaped section, is

 A. D B. 1.25 D C. 1.5 D D. 1.75 D E. 2 D.