Discussion
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- Question
Hard water for public water supply is discarded because
Options- A. it consumes more soap
- B. it contains lot of turbidity
- C. it contains pathogenic bacterias
- D. it possesses bad taste and odour
- E. none of these.
- Correct Answer
- it consumes more soap
- 1. The run off is affected by
Options- A. size of the basin
- B. shape of the basin
- C. elevation of the water shed
- D. all the above. Discuss
- 2. Pressure exerted by fully saturated air, is known
Options- A. partial pressure
- B. vapour pressure
- C. saturation vapour pressure
- D. saturation pressure
- E. (c) and (d) of the above. Discuss
- 3. Knowledge of hydrology is necessary for civil engineers for
Options- A. designing and construction of irrigation structures
- B. designing and construction of bridges and culverts
- C. flood control works
- D. all the above. Discuss
- 4. A river is said to be of uniform section if in its section
Options- A. a segment of a circle can be fitted
- B. a parabolic section can be fitted
- C. a rectangular section can be fitted
- D. a trapezoidal section can be fitted
- E. all the above. Discuss
- 5. A control meter is preferred to a weir because
Options- A. it measures the discharge even in silt laiden streams
- B. the velocity of approach of the channel increases above the control, and thus removes the silt completely
- C. it is not damaged by floating debris
- D. all the above. Discuss
- 6. Rapid gravity filter can only remove turbidity of water upto
Options- A. 15 to 25 gm/litre
- B. 25 to 30 gm/litre
- C. 30 to 35 cm/litre
- D. 35 to 40 gm/litre
- E. 50 gm/litre. Discuss
- 7. One degree of hardness of water means a content of salts of
Options- A. 10.25 mg/litre
- B. 12.25 mg/litre
- C. 14.25 mg/litre
- D. 16.25 mg/litre.
- E. 20 mg/litre. Discuss
- 8. Mostly used coagulant, is
Options- A. chlorine
- B. alum
- C. lime
- D. bleaching powder. Discuss
- 9. If p is total internal pressure, d is diameter of pressure conduit and t is thickness of conduit, the Hoop's stress is
Options- A.
- B.
- C.
- D.
Discuss
- 10. Hard water contains
Options- A. calcium
- B. magnesium bicarbonates
- C. magnesium sulphate
- D. all the above. Discuss
Water Supply Engineering problems
Search Results
Correct Answer: all the above.
Correct Answer: (c) and (d) of the above.
Correct Answer: all the above.
Correct Answer: all the above.
Correct Answer: all the above.
Correct Answer: 35 to 40 gm/litre
Correct Answer: 14.25 mg/litre
Correct Answer: alum
Correct Answer:
Correct Answer: all the above.
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