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Environmental Science Competitive Exam MCQs – Practice Test 69 (Chapter 4)

Environmental Pollution MCQs with Answers PDF Download – Test 69

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Download the "Environmental Pollution MCQs" App: Secondary treatment is carried out for the removal of; MCQ with answers: dissolved organic matters, suspended solids, floating materials, and solid impurities. Solve Air Pollution Quiz Questions, download Google e-Book (Free Chapter) to master environmental concepts.

Environmental Pollution MCQs – Practice Test 69 PDF Download

MCQ 341: The simplest type of equipment used for the collection of solid particles is known as:

  1. Electrostatic Precipitator
  2. Settling chamber
  3. Filter rod machine
  4. Tangible tool

MCQ 342: Secondary treatment is carried out for the removal of;:

  1. Suspended solids
  2. Dissolved organic matters
  3. Floating materials
  4. Solid impurities

MCQ 343: What is the 'adiabatic lapse' rate for wet air?

  1. 0.6C per 100meter
  2. 0.9C per 100meter
  3. 0.7C per 100meter
  4. 0.5C per 100meter

MCQ 344: What reduces the amount of light reaching the leaf?

  1. Sulfur oxide emission
  2. Carbon dioxide
  3. Dust and Smog
  4. Nitrogen

MCQ 345: The combustable garbage, rubbish and dead animals are::

  1. Dumped
  2. Burnt
  3. Landfill
  4. All of above

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