Concrete Technology MCQs with answers Page - 11

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

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Q. After the curing of 28 days, the concrete gains strength upto

  • (A) 40%
  • (B) 67%
  • (C) 100%
  • (D) 122%

A

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Q. The preliminary test is always conducted in the field.

  • (A) Agree
  • (B) Disagree
  • (C) ---
  • (D) ---

A

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Q. The number of bags of cement required per cubic metre of 1 ; 2 ; 4 concrete will be approximately

  • (A) 2 to 3
  • (B) 3 to 4
  • (C) 4 to 5
  • (D) 5 to 6

A

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Q. The factor which effect the design of concrete mix is

  • (A) fineness modulus
  • (B) water-cement ratio
  • (C) slump
  • (D) all of these

A

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Q. The chemical ingredient of cement which provides quick setting property to the cement is

  • (A) lime
  • (B) silica
  • (C) alumina
  • (D) iron oxide

A

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Q. The workability of concrete by slump test is expressed as

  • (A) minutes
  • (B) mm / h
  • (C) mm2 / h
  • (D) mm

A

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Q. Blast furnace slag cement concrete requires

  • (A) less
  • (B) more
  • (C) ---
  • (D) ---

A

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Q. For measuring aggregates by volume, wooden batch boxes known as farmas are used.

  • (A) Correct
  • (B) Incorrect
  • (C) ---
  • (D) ---

A

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Q. What are plasticizers?

  • (A) Which adds water for workability
  • (B) Which reduces water for workability
  • (C) Which decreases workability at the same water content
  • (D) Which oxidizes water for workability

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