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- Question
A person standing on the bank of a canal drops a stone on the water surface. He notices that the disturbance on the water surface in not travelling upstream. This is because the flow in the canal is
Options- A. sub-critical
- B. super-critical
- C. steady
- D. uniform
- Correct Answer
- super-critical
- 1. The water carried sewerage system removes
Options- A. domestic sewage
- B. industrial sewage
- C. storm sewage
- D. all the above. Discuss
- 2. A portion of an embankment having a uniform up-gradient 1 in 500 is circular with radius 1000 m of the centre line. It subtends 180° at the centre. If the height of the bank is 1 m at the lower end, and side slopes 2:1, the earth work involved.
Options- A. 26, 000 m3
- B. 26, 500 m3
- C. 27, 000 m3
- D. 27, 500 m3 Discuss
- 3. For lime concrete,
Options- A. slump is 50 to 75 mm
- B. flexural strength at 90 days is 0.2 N/mm2
- C. compressive strength at 90 days is 1.5 N/mm2
- D. compressive strength at 26 days is 1.2 N/mm2
- E. all the above. Discuss
- 4. Pick up the correct statement from the following:
Options- A. The tides at any place occur a little less than 1 hour later, each succeeding day
- B. The difference in time in solar hours and minutes from any lunar transit to the succeeding transit, is called high water level
- C. The influence of the earth's gravity alone produces level-tidal less sea
- D. The spinning force is maximum at the equator and zero at the poles
- E. All of the above. Discuss
- 5. The main draw-back of centrifugal pump, is
Options- A. necessity of priming
- B. discharge from pump varies with the load of water
- C. for high heads, efficiency is low up to 50%
- D. the suction lift is limited to 6 m
- E. all the above. Discuss
- 6. High temperature
Options- A. increases the strength of concrete
- B. decreases the strength of concrete
- C. has no effect on the strength of concrete
- D. none of these. Discuss
- 7. Raft foundation are generally preferred to when the area required for individual footing, is more than
Options- A. 25% to total area
- B. 30% of total area
- C. 40% to total area
- D. 50% of total area. Discuss
- 8. Isohytes are the imaginary lines joining the points of equal
Options- A. pressure
- B. height
- C. humidity
- D. rainfall. Discuss
- 9. The maximum axial load which is just sufficient to keep a column in a small deflected shape, is called
Options- A. crippling load
- B. buckling load
- C. critical load
- D. all the above. Discuss
- 10. The aggregate containing moisture in pores and having its suface dry, is known as
Options- A. moist aggregates
- B. very dry aggregates
- C. dry aggregates
- D. saturated surface dry aggregate
- E. none of these. Discuss
More questions
Correct Answer: all the above.
Correct Answer: 27, 500 m3
Correct Answer: all the above.
Correct Answer: All of the above.
Correct Answer: all the above.
Correct Answer: decreases the strength of concrete
Correct Answer: 50% of total area.
Correct Answer: rainfall.
Correct Answer: all the above.
Correct Answer: saturated surface dry aggregate
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