Concrete Technology MCQs with answers Page - 41

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.

To check the correct answer, simply click the View Answer button provided for each question.

Have your own questions to contribute? Click the button below to share your MCQs with others!

+ Add Question

A

Admin • 833.24K Points
Coach

Q. Vicat's apparatus is used to perform ?

  • (A) fineness test
  • (B) soundness test
  • (C) consistency test
  • (D) compressive strength test

A

Admin • 833.24K Points
Coach

Q. The preliminary test should be repeated if the difference of compressive strength of three test specimens exceeds ?

  • (A) 0.5 N/mm²
  • (B) 1 N/mm²
  • (C) 1.5 N/mm²
  • (D) 2 N/mm²

A

Admin • 833.24K Points
Coach

Q. The object of curing is to ?

  • (A) prevent the loss of water by evaporation
  • (B) reduce the shrinkage of concrete
  • (C) preserve the properties of concrete
  • (D) all of these

A

Admin • 833.24K Points
Coach

Q. For batching 1: 2: 4 concrete mix by volume, the ingredients required per bag of cement are ?

  • (A) 50 kg of cement: 70 kg of fine aggregate: 140 kg of coarse aggregate
  • (B) 50 kg of cement : 70 litres of fine aggregate: 140 litres of coarse aggregate
  • (C) 50 kg of cement: 100 kg of fine aggregate: 200 kg of coarse aggregate
  • (D) 50 kg of cement: 100 litres of fine aggregate: 140 litres of coarse aggregate

A

Admin • 833.24K Points
Coach

Q. In voids method of determining the quantity of cement paste, it is assumed ?

  • (A) voids in the coarse aggregate are filled by the fine aggregates
  • (B) volume of fine aggregates required for 1 m' of coarse aggregate is equal to total voids in coarse aggregate plus 10% aggregate extra to allow for additional voids created by wedging action
  • (C) volume of cement paste required for 1 m' of coarse aggregate is equal to total volume of voids in the fine aggregate plus 15% aggregate extra to allow for additional voids created by wedging action
  • (D) all of the above

A

Admin • 833.24K Points
Coach

Q. The object of compaction is to ?

  • (A) eradicate air holes
  • (B) give maximum density
  • (C) ensure intimate contact between the concrete and the surface of reinforcement
  • (D) all of the above

A

Admin • 833.24K Points
Coach

Q. Vertical sides of columns may be stripped after ?

  • (A) 1 to 2 days
  • (B) 7 days
  • (C) 14 days
  • (D) 21 days

A

Admin • 833.24K Points
Coach

Q. The usual proportion of ingredients in reinforced cement concrete is ?

  • (A) Portland cement (1 part), clean sand (2 to 4 parts) and coarse aggregate (1 to 2 parts)
  • (B) Portland cement (1 part), clean sand (1 to 2 parts) and coarse aggregate (2 to 4 parts)
  • (C) Portland cement (1 part), clean sand and coarse aggregate (2 to 4 parts)
  • (D) any one of the above

A

Admin • 833.24K Points
Coach

Q. Bulk specific gravity of an aggregate is defined as ?

  • (A) the weight of oven dry aggregate divided by its absolute volume, excluding the natural pores in the aggregate particles
  • (B) the weight of oven dry aggregate divided by its absolute volume, including the natural pores in the aggregate particles
  • (C) the weight of aggregate required to fill a container of unit volume
  • (D) the difference in weight of the aggregate in saturated surface dry condition and in moist condition

A

Admin • 833.24K Points
Coach

Q. The factor which effects the design of concrete mix is ?

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

Add MCQ in this Category

If you want to share an MCQ question in this category, it's a great idea! It will be helpful for many other students using this website.

Share Your MCQ

Browse Categories

Click on category to learn MCQs of that category.