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- Question
The size of fine aggregates does not exceed
Options- A. 2.75 mm
- B. 3.00 mm
- C. 3.75 mm
- D. 4.75 mm
- E. 5.75 mm
- Correct Answer
- 4.75 mm
- 1. Pick up the incorrect statement from the following:
Options- A. Workability of the concrete mix decreases with an increase in the moisture content
- B. Concrete for which preliminary tests are conducted, is called controlled concrete
- C. Bulking of sand depends upon the fineness of grains
- D. Concrete mix 1 : 6 : 12, is used for mass concrete in piers.
- E. All the above. Discuss
- 2. The bulk density of aggregates, depends upon
Options- A. shape
- B. grading
- C. compaction
- D. all the above. Discuss
- 3. 1.S.I. has specified the full strength of concrete after
Options- A. 7 days
- B. 14 days
- C. 21 days
- D. 28 days
- E. 35 days Discuss
- 4. Particles of 0.002 mm size are that of
Options- A. clay
- B. sand
- C. gravel
- D. none of these. Discuss
- 5. For given workability the grading requiring the least amount of water is one that gives
Options- A. greatest surface area for the given cement and aggregates
- B. least surface area for the given cement and aggregates
- C. least weight for the given cement and aggregates
- D. greatest weight for the given cement and aggregates
- E. none of these. Discuss
- 6. Bulking of sand is
Options- A. mixing of different sizes of sand particles
- B. mixing of lime with sand
- C. maximum water with sand
- D. swelling of sand when wetted. Discuss
- 7. The maximum percentage of chemical ingredient of cement is that of
Options- A. magnesium oxide
- B. iron oxide
- C. aluminium
- D. lime
- E. silica. Discuss
- 8. Longitude of a place is the angular distance between the meridian of the place and
Options- A. the standard meridian
- B. the international date line
- C. that of Greenwich
- D. both (a) and (c) of above. Discuss
- 9. A nautical mile is
Options- A. one minute arc of the great circle passing through two points
- B. one minute arc of the longitude
- C. 6080 ft
- D. 1855.109 m
- E. all the above. Discuss
- 10. The scale of a tilted photograph of focal length f taken from an altitude H, along the plate parallel through principal point is
Options- A.
- B.
- C.
- D.
Discuss
Concrete Technology problems
Search Results
Correct Answer: All the above.
Correct Answer: all the above.
Correct Answer: 28 days
Correct Answer: clay
Correct Answer: greatest surface area for the given cement and aggregates
Correct Answer: swelling of sand when wetted.
Correct Answer: lime
Correct Answer: both (a) and (c) of above.
Correct Answer: all the above.
Correct Answer:
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