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Air Pollution Online Test 1 (Free)

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1. Click On Full Screen Mode (¤) From Corner For Best Test Experience

(બેસ્ટ ટેસ્ટ અનુભવ માટે ખૂણામાં આપેલ ફૂલ સ્ક્રીન મોડ (¤) ઉપર ક્લિક કરો)

2. Use Navigation Bar For Jumping Forward or Backward To Any Question

(કોઈ પણ પ્રશ્ન ઉપર જવા માટે નેવિગેશન બારનો ઉપયોગ કરવો)

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[Click On Full Screen Mode (¤) From Corner For Best Test Experience]

(બેસ્ટ ટેસ્ટ અનુભવ માટે ખૂણામાં આપેલ ફૂલ સ્ક્રીન મોડ (¤) ઉપર ક્લિક કરો)

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1 / 10

Category: Air Pollution & Its Control

Wet scrubbers are classified into _________ types.

2 / 10

Category: Air Pollution & Its Control

Which air pollutant cause corrosion of building?

NO2

SO3

SO2

3 / 10

Category: Air Pollution & Its Control

Which of the following is incorrect regarding the fabric filter?

They can handle large volume of gas at relatively high speed

They have low efficiency in comparison to venturi scrubber

They are liable to chemical attack

They can remove very small particle

4 / 10

Category: Air Pollution & Its Control

Non-Dispersive Ultraviolet (NDUV) analysers are primarily used to detect which of the following two gases?

Sulphur Dioxide and Oxygen

Nitrogen Dioxide and Sulphur Dioxide

Oxygen and Nitrogen Dioxide

Oxygen and Carbon Dioxide

5 / 10

Category: Air Pollution & Its Control

Particles of what size are filtered by the nasal passage?

>5 micrometre

>1 mm

>500 micrometre

>10 micrometre

6 / 10

Category: Air Pollution & Its Control

When environmental Lapse Rate (ELR) is equal to the Adiabatic Lapse Rate (ALR), then which of the following occurs?

Adiabatic lapse rate

Neutral lapse rate

Super adiabatic lapse rate

Sub adiabatic lapse rate

7 / 10

Category: Air Pollution & Its Control

Which of the following is a bulk phenomena?

Sorption

Absorption

Chemical adsorption

Physical adsorption

8 / 10

Category: Air Pollution & Its Control

In-situ in-stack analysers are used for measuring concentrations of which of the following gases?

Nitrogen monoxide

Sulphur dioxide

Ammonia

All of the mentioned

9 / 10

Category: Air Pollution & Its Control

What is the minimum height of the chimney in a thermal power plant of capacity 350MW?

60 m

380 m

220 m

100 m

10 / 10

Category: Air Pollution & Its Control

In which of the following plumes, unstable condition prevails?

Neutral

Looping

Fanning

Trapping

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Air Pollution Online Test 1 (Free)

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