Exam Quiz for Batching Plant Inspector | Aramco CBT

This article is about Exam Quiz for Batching Plant Inspector for all civil engineers, supervisors and surveyors.

1. What is the tolerance for cement in batch weight of Design mix;
a) 1%
b) 2 %
c) 3 %
d) None of the above

2. What is the tolerance for aggregates in batch weight of Design Mix;

a) 1%
b) 2 %
c) 3 %
d) None of the above

3. What is the tolerance for mixing water in batch weight of Design Mix;
a) 1%
b) 2 %
c) 3 %
d) None of the above

4. What is the tolerance for admixtures in batch weight of Design Mix;
a) 1%
b) 2 %

c) 3 %
d) None of the above

5. What are the testing to be done at Batching plant by third party Technician prior to let the truck mixer to leave ;
a) Slump test
b) Temperature test
c) Compressive test
d) a and b

6. Slump cone is used for testing of what;
a) Concrete mix temperature
b) Water content
c) a and b
d) none of the above

7. The number of blows per layer for slump test is;
a) 20
b) 22
c) 24
d) None of the above

8. The revolution counter of the truck mixer is important to determine for what purpose;
a) Strength of concrete
b) Slump of concrete
c) Discharge limit against time limit of discharge
d) None of the above

9. As per ACI no. ___________ you can based the Design mix formula;
a) 210
b) 212
c) 213
d) None of the above

10. The best temperature of concrete mix before leaving the batching plant is what degree centigrade;
a) 23
b) 24
c) 25
d) 26

11. The clay lumps and friable particles for coarse and fine aggregates shall not be more than
a) 5 and 3 respectively
b) 4 and 2 respectively
c) 2 and 1 respectively
d) None of the above

12. Coarse and fine aggregates gradation & materials finer than 200 sieve shall not be more than
a) 1
b) 2
c) 3
d) 5

13. For coarse aggregate the abrasion loss shall not be more than ;
a) 10
b) 20
c) 30
d) 40

14. Testing frequency of coarse and fine aggregates for magnesium sulfate soundness is
a) weekly
b) daily
c) Bi-monthly
d ) monthly

15. Testing frequency for mixing water is
a) daily
b) weekly
c) monthly
d) bi-monthly

16. Testing of Portland cement is what ASTM no.
a) C33
b) C145
c) C150
d) None of the above

Give at least four role and duties of QC Batching plant inspector;

If You know the answers please provide us in comment section. We will update this article.

Saudi Aramco Civil QC Inspector Interview Questions

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