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Test: Environmental Engineering - 7


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25 Questions MCQ Test Environmental Engineering | Test: Environmental Engineering - 7

Test: Environmental Engineering - 7 for Civil Engineering (CE) 2023 is part of Environmental Engineering preparation. The Test: Environmental Engineering - 7 questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Environmental Engineering - 7 MCQs are made for Civil Engineering (CE) 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Environmental Engineering - 7 below.
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Test: Environmental Engineering - 7 - Question 1

Pick out the wrong statement pertaining to 'green house' for the plants.

Test: Environmental Engineering - 7 - Question 2

In water treatment, alum[Al2(SO4)3] is used for the process of

Test: Environmental Engineering - 7 - Question 3

Pick out the one which is not a chemical coagulant.

Test: Environmental Engineering - 7 - Question 4

Presence of iron and manganese in water causes

Test: Environmental Engineering - 7 - Question 5

Septic tanks are used for the __________ of the deposited solids.

Test: Environmental Engineering - 7 - Question 6

Death may occur, when SO2 concentration in atmospheric air exceeds __________ ppm.

Test: Environmental Engineering - 7 - Question 7

Which of the following acts as a natural source of air pollution ?

Test: Environmental Engineering - 7 - Question 8

Higher concentration of CO2 in atmosphere

Test: Environmental Engineering - 7 - Question 9

Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm).

Test: Environmental Engineering - 7 - Question 10

Radioactive substances present in the polluted water stream can be removed by

Test: Environmental Engineering - 7 - Question 11

In the context of the chemical process industries, the term BOD is normally associated with the

Test: Environmental Engineering - 7 - Question 12

Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels.

Test: Environmental Engineering - 7 - Question 13

Inhalation of silica dust causes a disease called

Test: Environmental Engineering - 7 - Question 14

Solid content in most of the domestic sewage is about __________ percent.

Test: Environmental Engineering - 7 - Question 15

In troposphere (the weather domain), the temperature 't' at height 'h' above the spa level in metres is given by (where, temperature at sea level is 15oC and t is in oC.)

Test: Environmental Engineering - 7 - Question 16

High noise level in a chemical plant can be controlled by the

Test: Environmental Engineering - 7 - Question 17

Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases.

Test: Environmental Engineering - 7 - Question 18

Main pollutants released from petroleum refineries is

Test: Environmental Engineering - 7 - Question 19

Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels.

Test: Environmental Engineering - 7 - Question 20

Which of the following is a green house gas other than CO2 ?

Test: Environmental Engineering - 7 - Question 21

Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for

Test: Environmental Engineering - 7 - Question 22

Lagooning process is mainly a means of the

Test: Environmental Engineering - 7 - Question 23

Carbon monoxide is a pollutant, which causes

Test: Environmental Engineering - 7 - Question 24

Pollution by particulate matter emission in the atmosphere does not take place during metal

Test: Environmental Engineering - 7 - Question 25

Direct reaction of unsaturated hydrocarbons with either NO or NO2 produces an eye irritating pollutant compound known as

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