SL28 CIVIL ENGINEERING MCQ AND SHORT TYPE QUESTION ANSWER

STUDY LESSON:-28 [CIVIL ENGINEERING]

For Competitive exams/Govt. jobs/Semester exam/Self Study Purpose

1. The type of aggregate which may contain some moisture in the pores and dry in the surface are known as _______

2. The ratio of the volume of the moist sand to the volume of that dry sand is known as ___________

3. Which content in a concrete does make the concrete mix Harsh and unworkable?

4. The value of fineness modulus of a sand ranges between __________ 

5. Which compund mainly contributes the first 28 days strength development in concrete?

6. Which chemical composition accelerates the setting time and hardening of cement? 

7. The bulk density of an aggregates depends upon the ___________

8. The most useless aggregate surface texture is tends to be ____________

9. The process which exhibits the knowledge of proper and accurate measurement of concrete materials for the purpose of uniformity of proportions and aggregate grading is known as __________

10. Los Angles machine is used to test the ______________ of an aggregate.


Answers:-
1. Saturated surface dry aggregate

2. Bulking Factor

3. Water

4. 2.2 to 2.6

5. Tri-calcium Silicate

6. presence of calcium chloride in water

7. specific gravity of aggregate

8. porous

9. Batching

10. abrasion resistance

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