Environmental Engineering MCQ Civil Engg Questions Answers

Environmental Engineering – Civil Engineering MCQ Questions Answers

Environmental engineering is a crucial branch of civil engineering that focuses on addressing environmental challenges and preserving the natural world while maintaining sustainable development. It plays a vital role in maintaining the balance between human activities and the environment. In this article, we will explore some multiple-choice questions (MCQs) and their answers related to environmental engineering in civil engineering.


1) The domestic use of water amounts to __________ of the total water requirements per capita per day.

a) 40%

b) 50%

c) 20%

d) 30%

View Answer
Option – b)

2) Water supply system means

(a) scheme of collection and disposal of used water

(b) system of collecting, purifying and bringing water to user point

(c) distribution of water to sinks, toilets and kitchens in the building

(d) construction of canal

View Answer
Option – b)

3)The multiplying factor, as applied to obtain the maximum daily water demand, in relation to the average i.e. per capita daily demand, is

a) 1.5

b) 1.8

c) 2.0

d) 2.7

View Answer
Option – b)

4) In Himalayan region precipitation is of the type

(a) cyclonic

(b) convective

(c) orographic

(d) turbulent ascent

View Answer
Option – c)

5)The valve, which allows the flow only in one direction, is a

a) reflux valve

b) sluice valve

c) gate valve

d) None of these

View Answer
Option – a)

6) In a dam project geological investigations are to get information about

(a) water-tightness of the reservoir basin

(b) type and depth of overburden

(c) structural features of rock such as folds, faults, fissures

(d) all the above

View Answer
Option – d)

7) High  pH value of water in the pipe dose not produce

a) Incrustation

b) Sediment deposits

c) Tuberculation

d) High discharge

View Answer
Option – d)

8) Sedimentation tanks and clean water reservoir are designed for the n times rate of consumption,

where n is

(a) 1.0

(b) 1.2

(c) 1.25

(d) 1.4

View Answer
Option – a)

9) Which is the best sewer material to resist hydrogen sulphide corrosion ?

a)Glazed stoneware

b) Glazed earthenware

c) RCC

d) Brick masonry

View Answer
Option – a)

10) Maximum permissible total solid content in water for domestic purposes should not exceed

(a) 400 ppm

(b) 500 ppm

(c) 600 ppm

(d) 800 ppm

View Answer
Option – b)