Environmental Engineering MCQs with answers Page - 6

Here, you will find a collection of MCQ questions on Environmental Engineering. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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

  • (A) Hydrocarbons
  • (B) Hydrogen fluoride
  • (C) Hydrogen sulphides
  • (D) Nitrogen dioxide

A

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Q. Fluorosis is caused due to the presence of excessive amount of _________ in drinking water.

  • (A) Mercury
  • (B) Lead
  • (C) Fluoride
  • (D) Arsenic

A

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Q. Foaming and priming in boiler operation can be reduced by reduction in _________ in feed water.

  • (A) Turbidity
  • (B) Color (Hazen)
  • (C) Total solids
  • (D) All (A), (B) & (C)

A

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Q. For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than _________ ppm.

  • (A) 10000
  • (B) 5
  • (C) 500
  • (D) 1000

A

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Q. Which system of collection of sewage is a dry system?

  • (A) conservancy system
  • (B) biological digestion
  • (C) incernation
  • (D) water carriage system

A

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Q. After how many years, night soil gives good quality manure?

  • (A) 1
  • (B) 5
  • (C) 10
  • (D) 14

A

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Q. Conservancy system is a highly unhygienic system, causing insanitary conditions.

  • (A) true
  • (B) false
  • (C) ---
  • (D) ---

A

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Q. Which of the following is not correct regarding conservancy system?

  • (A) high maintenance cost
  • (B) highly unhygienic system
  • (C) independent of labour
  • (D) chances of epidemic

A

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Q. Which system of collection of sewage is called a dry system?

  • (A) conservancy system
  • (B) biological digestion
  • (C) incernation
  • (D) water carriage system

A

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Q. is a method where water is used as a medium for the flow of sewage from its production of the treatment unit.

  • (A) conservancy system
  • (B) biological digestion
  • (C) incernation
  • (D) water carriage system

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