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- Question
The maximum depth of sedimentation tanks is limited to
Options- A. 2 m
- B. 3 m
- C. 4 m
- D. 5 m
- E. 6 m.
- Correct Answer
- 6 m.
- 1. For determining the velocity of flow of underground water, the most commonly used non-empirical formula is
Options- A. Darcy's formula
- B. Slichter's formula
- C. Hazen's formula
- D. Lacy's formula. Discuss
- 2. If pH value of water is
Options- A. 7 water it is said to be neutral
- B. less than 7 it is said to be acidic
- C. more than 7 it is said to be alkaline
- D. all the above. Discuss
- 3. The yield of a rapid gravity filter as compared to that of slow sand filter, is
Options- A. 10 times
- B. 15 times
- C. 20 times
- D. 30 times
- E. 35 times. Discuss
- 4. Water supply includes
Options- A. collection, transportation and treatment of water
- B. distribution of water to consumers
- C. provision of hydrants for fire fighting
- D. mains, sub-mains and branch lines of water supply
- E. all the above. Discuss
- 5. The expected discharge to be obtained from an open well sunk in coarse sand is 0.0059 cumec. If the working depression head of the well is 3 m, the minimum diameter of the well, is
Options- A. 2 m
- B. 2.25 m
- C. 2.50 m
- D. 2.75 m
- E. 3.00 m. Discuss
- 6. According to IS : 1172-1963, a minimum of 135 litres of water capita per day, is required for
Options- A. Boarding schools
- B. Nurses home and medical quarters
- C. hostels
- D. all the above. Discuss
- 7. A high velocity of wash water is required for
Options- A. rapid gravity filter with strainers
- B. rapid gravity filter without strainers
- C. slow sand filter with strainers
- D. slow sand filter without strainers
- E. none of these. Discuss
- 8. Aeration of water is done to remove
Options- A. odour
- B. colour
- C. bacterias
- D. hardness
- E. turbidity. Discuss
- 9. The maximum permissible nitrites in public water supplies, is
Options- A. Nil
- B. 0.5 P.P.M.
- C. 1.0. P.P.M.
- D. 1.5 P.P.M.
- E. 200 P.P.M. Discuss
- 10. According to Kuichling's formula, fire demand in litres per minute for a population of P thousands, is
Options- A. 3182 P
- B.
- C. 4637 P [1 - 0.01 P]
- D. 5663 P. Discuss
Water Supply Engineering problems
Search Results
Correct Answer: Darcy's formula
Correct Answer: all the above.
Correct Answer: 30 times
Correct Answer: all the above.
Correct Answer: 3.00 m.
Correct Answer: all the above.
Correct Answer: rapid gravity filter without strainers
Correct Answer: odour
Correct Answer: Nil
Correct Answer: 3182 P
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