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Test: Environmental Engineering - 1


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25 Questions MCQ Test Environmental Engineering | Test: Environmental Engineering - 1

Test: Environmental Engineering - 1 for Civil Engineering (CE) 2023 is part of Environmental Engineering preparation. The Test: Environmental Engineering - 1 questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Environmental Engineering - 1 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 - 1 below.
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Test: Environmental Engineering - 1 - Question 1

Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by

Test: Environmental Engineering - 1 - Question 2

Persons working in cement plants and limestone quarries are more prone to disease like

Test: Environmental Engineering - 1 - Question 3

Operating principle of cyclone separator is based on the action of __________ dust particles.

Test: Environmental Engineering - 1 - Question 4

Exposure to small amount of __________ results in high blood pressure & heart disease in human beings.

Test: Environmental Engineering - 1 - Question 5

Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called

Test: Environmental Engineering - 1 - Question 6

Maximum allowable concentration of CO2 in air for safe working is __________ ppm (parts per million).

Test: Environmental Engineering - 1 - Question 7

Tolerable limit of nitrogen oxides in air is __________ ppm.

Test: Environmental Engineering - 1 - Question 8

Iron & manganese present as pollutant in water can not be removed by

Test: Environmental Engineering - 1 - Question 9

In water chemical treatment plant, use of chloramines ensures

Test: Environmental Engineering - 1 - Question 10

Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants ?

Test: Environmental Engineering - 1 - Question 11

H2S present in gaseous stream can be removed by adsorption on

Test: Environmental Engineering - 1 - Question 12

During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum ?

Test: Environmental Engineering - 1 - Question 13

Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by

Test: Environmental Engineering - 1 - Question 14

Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes

Test: Environmental Engineering - 1 - Question 15

Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow control. It is caused due to

Test: Environmental Engineering - 1 - Question 16

Smoke is produced due to

Test: Environmental Engineering - 1 - Question 17

Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air.

Test: Environmental Engineering - 1 - Question 18

Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO2 in air is __________ ppm.

Test: Environmental Engineering - 1 - Question 19

Exposure to chemicals having carcinogenic properties cause

Test: Environmental Engineering - 1 - Question 20

Main pollutants released from iron & steel industry is

Test: Environmental Engineering - 1 - Question 21

Scale formation in boiler is controlled by

Test: Environmental Engineering - 1 - Question 22

Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels.

Test: Environmental Engineering - 1 - Question 23

TLV of mercury in potable (drinking) water is about __________ ppm.

Test: Environmental Engineering - 1 - Question 24

Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre)?

Test: Environmental Engineering - 1 - Question 25

Which is a secondary air pollutant ?

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