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- Question
The ratio of the length to breadth of a wooden float, is
Options- A. 4.5
- B. 5.5
- C. 6.5
- D. 7.5
- E. 8.5
- Correct Answer
- 7.5
- 1. The mixture of different ingredients of cement, is burnt at
Options- A. 1000°C
- B. 1200°C
- C. 1400°C
- D. 1600°C
- E. 1800°C Discuss
- 2. If 20 kg of coarse aggregate is sieved through 80 mm, 40 mm, 20 mm, 10 mm, 4.75 mm, 2.36 mm, 1.18 mm, 600 micron, 300 micron and 150 micron standard sieves and the weights retained are 0 kg, 2 kg, 8 kg, 6 kg, 4 kg respectively, the fineness modulus of the aggregate, is
Options- A. 7.30
- B. 7.35
- C. 7.40
- D. 7.45
- E. none of these. Discuss
- 3. Internal friction between the ingredients of concrete, is decreased by using
Options- A. less water
- B. fine aggregates
- C. rich mix
- D. more water and coarse aggregates
- E. none of these. Discuss
- 4. Slump test is done for
Options- A. clay
- B. sand
- C. lime
- D. concrete. Discuss
- 5. The commonly used material in the manufacture of cement is
Options- A. sand stone
- B. slate
- C. lime stone
- D. graphite. Discuss
- 6. The risk of segregation is more for
Options- A. wetter mix
- B. larger proportion of maximum size aggregate
- C. coarser grading
- D. all the above. Discuss
- 7. For given water content, workability decreases if the concrete aggregates contain an excess of
Options- A. thin particles
- B. flat particles
- C. elongated particles
- D. flaky paticles
- E. all the above. Discuss
- 8. M 150 grade of concrete approximates
Options- A. 1 : 3 : 6 mix
- B. 1 : 1 :2 mix
- C. 1 : 2 : 4 mix
- D. 1 : 1.5 : 3 mix
- E. none of these. Discuss
- 9. For ensuring quality of concrete, use
Options- A. single sized aggegates
- B. two sized aggregate
- C. graded aggregates
- D. coarse aggregates. Discuss
- 10. 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
Concrete Technology problems
Search Results
Correct Answer: 1400°C
Correct Answer: 7.40
Correct Answer: more water and coarse aggregates
Correct Answer: concrete.
Correct Answer: lime stone
Correct Answer: all the above.
Correct Answer: all the above.
Correct Answer: 1 : 1 :2 mix
Correct Answer: graded aggregates
Correct Answer: all the above.
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