Concrete Technology MCQs with answers Page - 69

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. An aggregate which passes through 25 mm I.S. sieve and is retained on 20 mm sieve, is said to be flaky if its least dimension is less than

  • (A) 22.5 mm
  • (B) 18.5 mm
  • (C) 16.5 mm
  • (D) 13.5 mm

A

Admin • 833.24K Points
Coach

Q. Approximate value of shrinkage strain in concrete, is

  • (A) 0.003
  • (B) 0.0003
  • (C) 0.00003
  • (D) 0.03

A

Admin • 833.24K Points
Coach

Q. For quality control of Portland cement, the test essentially done is

  • (A) setting time
  • (B) tensile strength
  • (C) consistency
  • (D) all the above

A

Admin • 833.24K Points
Coach

Q. Strength of concrete with passage of time

  • (A) increases
  • (B) decreases
  • (C) fluctuates
  • (D) remains constant

A

Admin • 833.24K Points
Coach

Q. Which of the following statements is incorrect?

  • (A) higher vee-bee time shows lower workability
  • (B) higher slump shows higher workability
  • (C) higher compacting factor shows higher workability
  • (D) none of the above

A

Admin • 833.24K Points
Coach

Q. To obtain cement dry powder, lime stones and shales or their slurry, is burnt in a rotary kiln at a temperature between

  • (A) 1100° and 1200°c
  • (B) 1200° and 1300°c
  • (C) 1300° and 1400°c
  • (D) 1400° and 1500°c

A

Admin • 833.24K Points
Coach

Q. In a pile of length , the points of suspension from ends for lifting it are located at

  • (A) 0.207 l
  • (B) 0.25 l
  • (C) 0.293 l
  • (D) 0.333 l

A

Admin • 833.24K Points
Coach

Q. The maximum amount of dust which may be permitted in aggregates is

  • (A) 5% of the total aggregates for low workability with a coarse grading
  • (B) 10% of the total aggregates for low workability with a fine grading
  • (C) 20% of the total aggregates for a mix having high workability with fine grading
  • (D) all the above

A

Admin • 833.24K Points
Coach

Q. For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than

  • (A) 15 mm
  • (B) 25 mm
  • (C) 30 mm
  • (D) 40 mm

A

Admin • 833.24K Points
Coach

Q. Workability of concrete is measured by

  • (A) vicat apparatus test
  • (B) slump test
  • (C) minimum void method
  • (D) talbot richard test

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.