Test: Environmental Engineering - 7


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


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Attempt Test: Environmental Engineering - 7 | 25 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

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

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QUESTION: 2

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

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QUESTION: 3

Pick out the one which is not a chemical coagulant.

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QUESTION: 4

Presence of iron and manganese in water causes

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QUESTION: 5

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

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QUESTION: 6

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

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QUESTION: 7

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

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QUESTION: 8

Higher concentration of CO2 in atmosphere

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QUESTION: 9

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

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QUESTION: 10

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

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QUESTION: 11

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

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QUESTION: 12

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

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QUESTION: 13

Inhalation of silica dust causes a disease called

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QUESTION: 14

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

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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.)

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QUESTION: 16

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

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QUESTION: 17

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

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QUESTION: 18

Main pollutants released from petroleum refineries is

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QUESTION: 19

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

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QUESTION: 20

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

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QUESTION: 21

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

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QUESTION: 22

Lagooning process is mainly a means of the

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QUESTION: 23

Carbon monoxide is a pollutant, which causes

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QUESTION: 24

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

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QUESTION: 25

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

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