Concrete Technology Mock Test 8

10%

Question 1 of 10

1. IS Code of practice for plain and reinforced concrete is ________

IS 456:2000

IS 455:1989

IS 383:197

IS 269:1989

Question 1 of 10

Question 2 of 10

2. The loss in weight should not exceed ________ % when tested with Na₂SO₄ and ________ % with MgSO₄ solution.

12, 18

15, 10

10, 15

18, 12

Question 2 of 10

Question 3 of 10

3. What C31 test under the Standard ASTM test method?

Test Method for Making and Curing Concrete Test Specimens in the Field

Test Method for Unit Weight, Yield, and Air Content (Gravimetric) of Concrete

Test Method for Slump of Hydraulic Cement Concrete

Test Method for Compressive Strength of Cylindrical Specimen

Question 3 of 10

Question 4 of 10

4. If the moisture content of 5 to 10% by weight, then the bulking of sand is increased by __________

Question 4 of 10

Question 5 of 10

5. Silica fume is _________

Absent in concrete

More reactive

Less reactive

Neutral

Question 5 of 10

Question 6 of 10

6. It __________ job-site concrete handling, curing, sampling and testing procedures.

Worsen

Deprove

Recede

Improves

Question 6 of 10

Question 7 of 10

7. Good quality construction _________ the wastage of materials, smooth function of the team.

Gain

Increases

Doesn’t effect

Decreases

Question 7 of 10

Question 8 of 10

8. Generally what is the w/c ratio?

.75

.25

Question 8 of 10

Question 9 of 10

9. What C39 test under the Standard ASTM test method?

Test Method for Making and Curing Concrete Test Specimens in the Field

Test Method for Compressive Strength of Cylindrical Specimen

Test Method for Unit Weight, Yield, and Air Content (Gravimetric) of Concrete

Test Method for Slump of Hydraulic Cement Concrete

Question 9 of 10

Question 10 of 10

10. During compression test of cast iron, the failure occurs i.e. the crack appears along the __________

Surface parallel to load applied

Surface perpendicular to load applied

Lateral

Diagonal

Question 10 of 10