Concrete Technology MCQs with answers Page - 16

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. The characteristic, which makes the concrete a versatile and widely used material of modern consturction, is the possibility of

  • (A) controlling the properties of concrete by using appropriate ingredients
  • (B) moulding the concrete in any desired shape
  • (C) complete mechanisation of concrete preparation and its placing process
  • (D) all of the above

A

Admin • 833.24K Points
Coach

Q. The concrete in which no preliminary tests are performed for designing the mix is called

  • (A) rich concrete
  • (B) controlled concrete
  • (C) lean concrete
  • (D) ordinary concrete

A

Admin • 833.24K Points
Coach

Q. The cement concrete having water-cement ratio less than 0.45 by weight, causes honey-comb structure.

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

A

Admin • 833.24K Points
Coach

Q. The workability of concrete is defined as the

  • (A) ease with which it can be mixed, transported and placed in position in a homogeneous state
  • (B) breaking up of cohesion in a mass of concrete
  • (C) separation of water or water-cement mixture from the freshly mixed concrete
  • (D) none of the above

A

Admin • 833.24K Points
Coach

Q. Low heat cement is used in

  • (A) thin
  • (B) thick
  • (C) ---
  • (D) ---

A

Admin • 833.24K Points
Coach

Q. The removal of excess air after placing concrete helps in increasing the strength of concrete by

  • (A) 15 to 20%
  • (B) 20 to 30%
  • (C) 30 to 50%
  • (D) 50 to 70%

A

Admin • 833.24K Points
Coach

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

  • (A) voids in the coarse aggregate are filled by the fine aggregates
  • (B) volume of fine aggregates required for 1 m3 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 m3 of coarse aggregate is equal to total volum of voids in the fine aggregate plus 15% aggregate extra to allow for additional voids created be wedging action
  • (D) all of the above

A

Admin • 833.24K Points
Coach

Q. The mass concrete in piers and abutments, the grade of concrete mix used, is

  • (A) 1 ; 1 : 2
  • (B) 1 ; 1.5 : 3
  • (C) 1 ; 2 : 4
  • (D) 1 ; 3 : 6

A

Admin • 833.24K Points
Coach

Q. Quality control helps to ___________ the risks of overdesign that ___________ the overall cost.

  • (A) Maximize, Increase
  • (B) Minimize, Increase
  • (C) Maximize, Decrease
  • (D) Minimize, Decrease

A

Admin • 833.24K Points
Coach

Q. The cement concrete, from which entrained air and excess water are removed after placing it in position, is called ________

  • (A) Vacuum concrete
  • (B) LWC
  • (C) Prestressed concrete
  • (D) Sawdust concrete

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.