Discussion
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- Question
According to Godrich the ratio of peak demand rate to mean demand is
Options- A.
- B.
- C.
- D.
- E. All the above.
- Correct Answer
- All the above.
- 1. From the surface of reservoir, evaporation may be minimised by sprinkling
Options- A. Spirit
- B. Hydrochloric acid
- C. Acetyl alcohol
- D. Methane
- E. None of these. Discuss
- 2. Pick up the correct statement from the following :
Options- A. The ratio of the total sediment deposited in the reservoir to the total sediment flowing in the river, is called trap efficiency
- B. The ratio of the reservoir capacity to the total inflow of water in it, is generally called capacity inflow ratio
- C. Small capacity reservoirs on large rivers generally, silt less
- D. Large capacity reservoirs on small rivers generally silt more
- E. All the above. Discuss
- 3. The maximum non-verticality of the bore of a well 200 m deep, may be permitted up to
Options- A. 25 cm
- B. 50 cm
- C. 75 cm
- D. 100 cm
- E. 150 cm. Discuss
- 4. Open channels supported over tres-les, are generally known as
Options- A. raised canals
- B. acqueducts
- C. syphons
- D. flumes. Discuss
- 5. P.V.C. pipes can withstand pressure bead of water upto
Options- A. 25 m
- B. 50 m
- C. 75 m
- D. 100 m
- E. 125 m. Discuss
- 6. Alkalinity in water may be caused due to
Options- A. calcium and magnesium bicarbonates
- B. sodium carbonate
- C. potassium carbonate
- D. calcium hydroxide
- E. all the above. Discuss
- 7. For least effect on the water table, the tube wells must be dug one in every
Options- A. 0.5 sq km
- B. 0.75 sq km
- C. 1.0 sq km
- D. 1.25 sq km
- E. 1.5 sq km. Discuss
- 8. Pick up the correct statement from the following :
Options- A. Due to boiling, the bacterias present in water can be destroyed
- B. Lime may be used for softening hard water
- C. Excess lime when added to water, raises the pH value of water
- D. the bacterias do not survive in water having pH value exceeding 9.5
- E. All the above. Discuss
- 9. In rapid sand filters the ratio of length and diameter of the lateral, should not be greater than
Options- A. 10
- B. 15
- C. 20
- D. 25 Discuss
- 10. Per capita demand of water is calculated in litres
Options- A. per person per day
- B. per person per month
- C. per person per year
- D. none of these. Discuss
Water Supply Engineering problems
Search Results
Correct Answer: Acetyl alcohol
Correct Answer: All the above.
Correct Answer: 100 cm
Correct Answer: flumes.
Correct Answer: 100 m
Correct Answer: all the above.
Correct Answer: 1.5 sq km.
Correct Answer: All the above.
Correct Answer: 20
Correct Answer: per person per day
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