Concrete Technology MCQs with answers Page - 18

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A

Admin • 833.24K Points
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Q. Alumina in excess causes _________

  • (A) Reduces the strength of the cement
  • (B) Increases the strength of the cement
  • (C) none
  • (D) all

A

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Q. Which compound gives the colour to the cement?

  • (A) Lime
  • (B) Silica
  • (C) Iron Oxide
  • (D) Alumina

A

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Q. Which cement contains high percentage of C3S and less percentage of C2S?

  • (A) Rapid Hardening Cement
  • (B) Ordinary Portland Cement
  • (C) Quick Setting Cement
  • (D) Low Heat Cement

A

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Q. When concrete is to be laid under water ___________ is to used.

  • (A) Rapid Hardening Cement
  • (B) Ordinary Portland Cement
  • (C) Quick Setting Cement
  • (D) Low Heat Cement

A

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Q. Which of the following is correct for Low Heat Cement?

  • (A) Suitable for use in cold weather areas
  • (B) Heat of hydration is reduced by tri calcium aluminate content
  • (C) This cement requires longer period of curing
  • (D) This cement contains high aluminate %age usually between 35-55%.

A

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Q. Which cement is used in sewage and water treatment plants?

  • (A) Rapid Hardening Cement
  • (B) Low Heat Cement
  • (C) Sulphate Resisting Cement
  • (D) Quick Setting Cement

A

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Q. Which cement is used for mainly building construction where strength required with age?

  • (A) Rapid Hardening Cement
  • (B) Low Heat Cement
  • (C) Portland Pozzolana Cement
  • (D) Quick Setting Cement

A

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Q. Which cement is used for artificial marble?

  • (A) Rapid Hardening Cement
  • (B) Sulphate Resisting Cement
  • (C) Coloured Cement
  • (D) Quick Setting Cement

A

Admin • 833.24K Points
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Q. Which cement is used to create bond with old concrete surface?

  • (A) Rapid Hardening Cement
  • (B) Expansive Cement
  • (C) Sulphate Resisting Cement
  • (D) Low Heat Cement

A

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Q. Which cement is used to store for longer duration in wet climatic conditions?

  • (A) Expansive Cement
  • (B) Ordinary Portland cement
  • (C) Hydrophobic Cement
  • (D) Quick Setting Cement

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