πŸ“Š Concrete Technology
Q. Processes of cement manufacturing is…….?
  • (A) Wet process
  • (B) Dry process
  • (C) Semi-dry process
  • (D) All of above
πŸ’¬ Discuss
βœ… Correct Answer: (D) All of above
πŸ“Š Concrete Technology
Q. Total…….. % of water by weight of water by weight of cement is required for complete hydration.
  • (A) 38
  • (B) 40
  • (C) 42
  • (D) 50
πŸ’¬ Discuss
βœ… Correct Answer: (A) 38
πŸ“Š Concrete Technology
Q. Processes of cement manufacturing is…….?
  • (A) Wet process
  • (B) Dry process
  • (C) Semi-dry process
  • (D) All of above
πŸ’¬ Discuss
βœ… Correct Answer: (D) All of above
πŸ“Š Concrete Technology
Q. Total…….. % of water by weight of water by weight of cement is required for complete hydration.
  • (A) 40
  • (B) 38
  • (C) 42
  • (D) 50
πŸ’¬ Discuss
βœ… Correct Answer: (B) 38
πŸ“Š Concrete Technology
Q. Hydration of cement is due to chemical action of water with
  • (A) Tricalcium silicate and dicalcium silicate
  • (B) Dicalcium silicate and tricalcium aluminate
  • (C) Tricalcium aluminate and tricalcium alumino ferrite
  • (D) All the above.
πŸ’¬ Discuss
βœ… Correct Answer: (D) All the above.
πŸ“Š Concrete Technology
Q. Proper proportioning of concrete, ensures
  • (A) desired strength and workability
  • (B) desired durability
  • (C) water tightness of the structure
  • (D) all the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) all the above
πŸ“Š Concrete Technology
Q. An aggregate is said to be flaky if its least dimension is less than
  • (A) 1/5th of mean dimension
  • (B) 2/5th of mean dimension
  • (C) 3/5th of mean dimension
  • (D) 4/5th of mean dimension
πŸ’¬ Discuss
βœ… Correct Answer: (C) 3/5th of mean dimension
πŸ“Š Concrete Technology
Q. A small quantity of …………. % of gypsum is added to prevent flash-setting of the cement.
  • (A) 1 to 2
  • (B) 2 to 3
  • (C) 9 to 10
  • (D) 10 to 12
πŸ’¬ Discuss
βœ… Correct Answer: (B) 2 to 3

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