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This section includes 31 Mcqs, each offering curated multiple-choice questions to sharpen your Concrete Technology knowledge and support exam preparation. Choose a topic below to get started.
1. |
The degree of workability of Indian standard method is ___________ |
A. | 0.8 |
B. | 0.50 |
C. | 0.60 |
D. | 0.20 |
Answer» B. 0.50 | |
2. |
The water cement ratio used for British DOE method is ___________ |
A. | 0.7 |
B. | 0.5 |
C. | 0.9 |
D. | 0.7 |
Answer» C. 0.9 | |
3. |
The full form of ACI method for mix design proportion is ___________ |
A. | American committee institute |
B. | American council institute |
C. | American concrete institute |
D. | American cement institute |
Answer» D. American cement institute | |
4. |
The cube strength of concrete required for both pre tensioning and post tensioning according to Indian standard codes are ___________ |
A. | 30 and 20 |
B. | 15 and 25 |
C. | 40 and 30 |
D. | 45 and 35 |
Answer» E. | |
5. |
In high strength concrete, high modulus of elasticity in the beam is due to ___________ |
A. | Elastic and creep strains |
B. | Principle tensile stresses |
C. | Reinforced beams |
D. | Vibration |
Answer» B. Principle tensile stresses | |
6. |
High strength concrete resists ___________ |
A. | Levelling |
B. | Bursting |
C. | Tangent moments |
D. | Trapezoidal moments |
Answer» C. Tangent moments | |
7. |
The developments in the field of concrete mix design gave compressive strength ranging between ___________ |
A. | 30-70 |
B. | 70-100 |
C. | 35-45 |
D. | 30-80 |
Answer» C. 35-45 | |
8. |
High strength concrete is defined purely on the basis __________ |
A. | Compressive strength |
B. | Poor strength |
C. | Tensile strength |
D. | Good strength |
Answer» B. Poor strength | |
9. |
Use of HSC in column ___________ |
A. | Decrease the no of steel required in the same column |
B. | Increase the no of steel required in the same column |
C. | Decrease the no of steel required in the different column |
D. | Increase the no of steel required in the different column |
Answer» B. Increase the no of steel required in the same column | |
10. |
Use of HSC in column __________ |
A. | It increase the size of the column |
B. | It decrease the size of the column |
C. | Doesn’t affect |
D. | Decrease the strength |
Answer» C. Doesn’t affect | |
11. |
In bridges, HSC is used. |
A. | True |
B. | False |
Answer» B. False | |
12. |
Maximum size of aggregates are used to produce 70MPa compressive strength is ________ |
A. | 20-30 mm |
B. | 10-20 mm |
C. | 30-40 mm |
D. | 40-50 mm |
Answer» B. 10-20 mm | |
13. |
THE_WATER_CEMENT_RATIO_USED_FOR_BRITISH_DOE_METHOD_IS:?$ |
A. | 0.7 |
B. | 0.5 |
C. | 0.9 |
D. | 0.7 |
Answer» C. 0.9 | |
14. |
USE_OF_HSC_IN_COLUMN____________?$ |
A. | Decrease the no of steel required in the same column |
B. | Increase the no of steel required in the same column |
C. | Decrease the no of steel required in the different column |
D. | Increase the no of steel required in the different column |
Answer» B. Increase the no of steel required in the same column | |
15. |
The_degree_of_workability_of_Indian_standard_method_is:$ |
A. | 0.80 |
B. | 0.50 |
C. | 0.60 |
D. | 0.20 |
Answer» B. 0.50 | |
16. |
High_strength_concrete_is_defined_purely_on_the_basis___________$ |
A. | Compressive strength |
B. | Poor strength |
C. | Tensile strength |
D. | Good strength |
Answer» B. Poor strength | |
17. |
In which method, high strength concrete mixes are designed by relating compressive strength to reference number? |
A. | Erntroy and Shack locks |
B. | American concrete institute method |
C. | British DOE method |
D. | Indian standard code method |
Answer» B. American concrete institute method | |
18. |
Use of HSC in column _________? |
A. | It increase the size of the column |
B. | It decrease the size of the column |
C. | Doesn’t affect |
D. | Decrease the strength |
Answer» C. Doesn‚Äö√Ñ√∂‚àö√ë‚àö¬•t affect | |
19. |
The full form of ACI method for mix design proportion is: |
A. | American committee institute |
B. | American council institute |
C. | American concrete institute |
D. | American cement institute |
Answer» D. American cement institute | |
20. |
“In bridges, HSC is used”. Is it true or false?$ |
A. | True |
B. | False |
Answer» B. False | |
21. |
The cube strength of concrete required for both pre tensioning and post tensioning according to Indian standard codes are: |
A. | 30 and 20 |
B. | 15 and 25 |
C. | 40 and 30 |
D. | 45 and 35 |
Answer» E. | |
22. |
Maximum size of aggregates are used to produce 100MPa compressive strength is __________ |
A. | 20-30 mm |
B. | 10-20 mm |
C. | 30-40 mm |
D. | 40-50 mm |
Answer» C. 30-40 mm | |
23. |
Which of the following is the Indian code used for high strength concrete mixes? |
A. | IS 1343-1980 |
B. | IS 10263-1982 |
C. | IS 384-1980 |
D. | IS 457-1979 |
Answer» B. IS 10263-1982 | |
24. |
Maximum size of aggregates are used to produce 70MPa compressive strength is ________ |
A. | 20-30 mm |
B. | 10-20 mm |
C. | 30-40 mm |
D. | 40-50 mm |
Answer» B. 10-20 mm | |
25. |
Which of the following is one of the standard codes used for designing high strength concrete mixes? |
A. | BS 8110-1985 |
B. | BS 883-1974 |
C. | BS 8113-1986 |
D. | BS 886-1976 |
Answer» B. BS 883-1974 | |
26. |
Which type of aggregates are used to produce 70MPa compressive strength? |
A. | All in one |
B. | Fine |
C. | Coarse |
D. | Flaky |
Answer» D. Flaky | |
27. |
In high strength concrete, high modulus of elasticity in the beam is due to: |
A. | Elastic and creep strains |
B. | Principle tensile stresses |
C. | Reinforced beams |
D. | Vibration |
Answer» B. Principle tensile stresses | |
28. |
Due to low w/c ratio ___________ |
A. | It doesn’t cause any problems |
B. | It causes problems |
C. | Workability is easy |
D. | Strength is more |
Answer» C. Workability is easy | |
29. |
High strength concrete resists: |
A. | Levelling |
B. | Bursting |
C. | Tangent moments |
D. | Trapezoidal moments |
Answer» C. Tangent moments | |
30. |
What could be the possible answer among the following for water cement ratio for high strength concrete? |
A. | .5 |
B. | .45 |
C. | .4 |
D. | .35 |
Answer» E. | |
31. |
What could be the possible answer among the following for compressive strength of high strength concrete? |
A. | 10MPa |
B. | 20MPa |
C. | 30MPa |
D. | 40MPa |
Answer» E. | |