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Civil Engineering MCQ

October 26, 2018 by admin

1. Workability concrete is directly proportional to 
(A) aggregate cement ratio
(B) time of transit
(C) grading of the aggregate
(D) all of the above

Answer ⇓

           C 

 

2. Approximate value of shrinkage strain n concrete is
(A) 0.03
(B) 0.003
(C) 0.0003
(D) 0.00003

Answer ⇓

           C 

 

3. The percentage of voids in cement is approximately
(A) 25%
(B) 40%
(C) 60%
(D) 80%

Answer ⇓

           B 

 

4. 1% of boyds voids in concrete mix reduce would reduce its strength by about 
(A) 5%
(B) 10%
(C) 15%
(D) 20%

Answer ⇓

           A 

 

5. The ratio of the diameter of reinforcing bars and the slab thickness is
(A) 1/4
(B) 1/5
(C) 1/6
(D) 1/8

Answer ⇓

           D 

 

6. Minimum thickness of load bearing RCC wall should be
(A) 50 mm
(B) 100 mm
(C) 150 mm
(D) 200 mm

Answer ⇓

           B 

 

7. Percentage reinforcement in case of slabs is limited to 
(A) 2
(B) 4
(C) 6
(D) 8

Answer ⇓

           B 

 

8. Ratio of compressive strength to tensile strength of concrete 
(A) increases with age
(B) decreases with age
(C) remains constant
(D) none of the above


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