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- Question
Construction joints are provided
Options- A. where B.M. and S.F. are small
- B. where the member is supported by other member
- C. at 18 m apart in huge structures
- D. in concrete wall at sill level of windows
- E. all the above.
- Correct Answer
- all the above.
- 1. Permissible compressive strength of M 300 concrete grade is
Options- A. 100 kg/cm2
- B. 150 kg/cm2
- C. 200 kg/cm2
- D. 250 kg/cm2
- E. 300 kg/cm2 Discuss
- 2. Concrete mainly consists of
Options- A. cement
- B. aggregates
- C. admixture
- D. water
- E. all the above. Discuss
- 3. Workability improved by adding
Options- A. air-entraining agent
- B. foaming agent
- C. oily-agent
- D. aluminium compound
- E. all the above. Discuss
- 4. Pick up the correct statement from the following:
Options- A. The weight of ingredients of concrete mix, is taken in kilograms
- B. Water and aggregates are measured in litres
- C. The finished concrete is measured in cubic metres
- D. 20 bags of cement make one tonne
- E. All the above. Discuss
- 5. Proper proportioning of concrete, ensures
Options- A. desired strength and workability
- B. desired durability
- C. water tightness of the structure
- D. resistance to water
- E. all the above. Discuss
- 6. The high strength of rapid hardening cement at early stage, is due to its
Options- A. finer grinding
- B. burning at high temperature
- C. increased lime cement
- D. higher content of tricalcium. Discuss
- 7. The process of proper and accurate measurement of concrete ingredients for uniformity of proportion, is known
Options- A. grading
- B. curing
- C. mixing
- D. batching
- E. none of these. Discuss
- 8. Curing
Options- A. reduces the shrinkage of concrete
- B. preserves the properties of concrete
- C. prevents the loss of water by evaporation
- D. all of the above. Discuss
- 9. Curing a concrete for long period ensures better
Options- A. volume stability
- B. strength
- C. water resistance
- D. water tightness and durability
- E. all the above. Discuss
- 10. The following proportion of the ingredients of concrete mix, is not in conformation to arbitrary method of proportioning
Options- A. 1 : 1 : 2
- B. 1 : 2 : 4
- C. 1 : 3 : 6
- D. 1 : 2 : 8
- E. 1 : 4 : 10 Discuss
Concrete Technology problems
Search Results
Correct Answer: 300 kg/cm2
Correct Answer: all the above.
Correct Answer: all the above.
Correct Answer: All the above.
Correct Answer: all the above.
Correct Answer: increased lime cement
Correct Answer: batching
Correct Answer: all of the above.
Correct Answer: all the above.
Correct Answer: 1 : 4 : 10
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