Concrete Technology MCQs with answers Page - 85

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. Under normal conditions using an ordinary cement, the period of removal of the form work, is:

  • (A) 7 days for beam soffits
  • (B) 14 days for bottom slabs of spans 4.6 m and more
  • (C) 21 days for bottom beams over 6 m spans
  • (D) all the above

A

Admin • 833.24K Points
Coach

Q. Water cement ratio is generally expressed in volume of water required per

  • (A) 10 kg
  • (B) 20 kg
  • (C) 30 kg
  • (D) 50 kg

A

Admin • 833.24K Points
Coach

Q. To ensure constant moisture content in aggregates

  • (A) area of each aggregate pile should be large
  • (B) height of each aggregate pile should not exceed 1.50 m
  • (C) aggregate pile should be left for 24 hours before aggregates are used
  • (D) all the above

A

Admin • 833.24K Points
Coach

Q. The average permissible stress in bond for plain bars in tension is

  • (A) increased by 10% for bars in compression
  • (B) increased by 25% for bars in compression
  • (C) decreased by 10% for bars in compression
  • (D) decreased by 25% for bars in compression

A

Admin • 833.24K Points
Coach

Q. Concrete mainly consists of

  • (A) cement
  • (B) aggregates
  • (C) water
  • (D) all the above

A

Admin • 833.24K Points
Coach

Q. Grading of sand causes great variation in

  • (A) workability of concrete
  • (B) strength of concrete
  • (C) durability of concrete
  • (D) all the above

A

Admin • 833.24K Points
Coach

Q. The percentage of the aggregate of F.M. 2.6 to be combined with coarse aggregate of F.M. 6.8 for obtaining the aggregates of F.M. 5.4, is

  • (A) 30 %
  • (B) 40 %
  • (C) 50 %
  • (D) 60 %

A

Admin • 833.24K Points
Coach

Q. The ratio of various ingredients (cement, sand, aggregates) in concrete of grade M 200, is

  • (A) 1 : 2 : 4
  • (B) 1 : 3 : 6
  • (C) 1 : 1½ : 3
  • (D) 1 : 1 : 2

A

Admin • 833.24K Points
Coach

Q. Joints in concrete structures, are provided

  • (A) to reduce the tensile stresses likely to be developed due to evaporation of water
  • (B) to minimise the change in the dimensions of the slab
  • (C) to minimise the necessary cracking
  • (D) all the above

A

Admin • 833.24K Points
Coach

Q. For the construction of R.C.C. slabs, columns, beams, walls, etc. the grade of concrete mix used, is

  • (A) 1 : 3 : 6
  • (B) 1 : 1½ : 3
  • (C) 1 : 2 : 4
  • (D) 1 : 1 : 2

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.