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- Question
Pick up the incorrect statement from the following:
Options- A. Space between the exterior walls of a warechouse and bag piles should be 30 cm
- B. Cement bags should preferably be piled on wooden planks
- C. Cement bags should be placed such that bags of one layer does not touch the bags of the adjacent layer
- D. Width and height of the pile should not exceed 3 m and 2.70 m respectively
- E. None of these.
- Correct Answer
- None of these.
- 1. For a good concrete
Options- A. aggregates should be hard and durable
- B. cement should be sufficient to produce the required strength
- C. water should be free from organic materials
- D. mixing of ingredients should be done thoroughly so as to produce homogeneity
- E. All the above. Discuss
- 2. To prevent segregation, the maximum height for placing concrete, is
Options- A. 100 cm
- B. 125 cm
- C. 150 cm
- D. 200 cm
- E. 250 cm Discuss
- 3. If the effective plan area of a warehouse is 54 sq. m, and maximum height of piles permitted is 270 cm, the number of cement bags to be stored, is
Options- A. 2000 bags
- B. 2200 bags
- C. 2400 bags
- D. 2700 bags
- E. 3000 bags Discuss
- 4. Log Angles machine is used to test the aggregate for
Options- A. crushing strength
- B. impact value
- C. abrasion resistance
- D. water absorption
- E. none of these. Discuss
- 5. The shuttering of a hall measuring 4 m x 5 m, can be removed after
Options- A. 5 days
- B. 7 days
- C. 10 days
- D. 14 days
- E. 21 days Discuss
- 6. If 50 kg of fine aggregates and 100 kg of coarse agregates are mixed in a concrete whose water cement ratio is 0.6, the weight of water required for harsh mix, is
Options- A. 8 kg
- B. 10 kg
- C. 12 kg
- D. 14 kg
- E. 15 kg. Discuss
- 7. Pick up the correct statement from the following:
Options- A. There should not be any loss of cement from the charged drum of the mixer
- B. Cement should be mixed for at least one minute
- C. 10% of water is placed in the rotating drum before adding dry material
- D. 10% of water is added after placing the other ingredients in the drum
- E. All the above. Discuss
- 8. The strength and quality of concrete, depend upon:
Options- A. grading of aggregates
- B. surface area of aggregates
- C. shape of aggregates
- D. surface texture of aggregates
- E. all the above. Discuss
- 9. Inert material of a cement concrete mix, is
Options- A. water
- B. cement
- C. aggregate
- D. none of these. Discuss
- 10. Pick up the correct statement from the following:
Options- A. Construction joints in columns are provided a few cm below the junction of beam
- B. Construction joints in columns are provided at the bottom haunching
- C. Construction joints in beams and slabs are provided within middel third
- D. Constructionjoints are generally provided in positions subjected to least shear force
- E. All the above. Discuss
Concrete Technology problems
Search Results
Correct Answer: All the above.
Correct Answer: 100 cm
Correct Answer: 2700 bags
Correct Answer: abrasion resistance
Correct Answer: 7 days
Correct Answer: 12 kg
Correct Answer: All the above.
Correct Answer: all the above.
Correct Answer: aggregate
Correct Answer: All the above.
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