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- Question
Pick up the incorrect statement from the following. The source of surface water is from
Options- A. streams and rivers
- B. storage reservoirs
- C. springs
- D. ponds and lakes
- E. none of these.
- Correct Answer
- springs
- 1. If P is population of a city in thousands and Q is fire demand in litres per minute, for proper estimate of water, the Empirical formula
is suggested by
Options- A. National Board of fire under-writers
- B. Freeman
- C. Kuichling
- D. None of these. Discuss
- 2. The storage capacity of a reservoir may be divided into three zones. The lowest zone is
Options- A. Dead storage
- B. Useful storage
- C. Surcharge storage
- D. None of these. Discuss
- 3. The efficiency of a pumping set, is generally assumed
Options- A. 50%
- B. 55%
- C. 60%
- D. 65%
- E. 70%. Discuss
- 4. To pump water from a water reservoir 3 m deep and maximum water level at 135 m, a pump is installed to lift water up to R.L. 175 m at a constant rate of 36, 00, 000 litres per hour. If the length of the pipe is 1506 m and f = 0.01, ignoring other minor losses and assuming the economical diameter from Lea's formula D = 1.2 Q, the water horse power of the pump is
Options- A. 400
- B. 450
- C. 500
- D. 580
- E. 600 Discuss
- 5. Pick up the correct statement from the following :
Options- A. The precipitation during its travel in atmosphere dissolves certain gases
- B. Rain water which percolates through the ground, is free from suspended materials
- C. Under ground water may dissolve minerals and salts present in the earth's layers
- D. Small quantities of iron, calcium and magnesium dissolved in water, may be useful for human health
- E. All the above. Discuss
- 6. Estimates of a water supply project depends upon the rate of water supply per capita consumption and probable population estimated at the end of the design period of
Options- A. 5 to 10 years
- B. 10 to 15 years
- C. 15 to 20 years
- D. 20 to 30 years
- E. 25 years. Discuss
- 7. Surcharge storage zone of a reservoir, is
Options- A. below dead storage
- B. between dead storage and useful storage
- C. above useful storage
- D. also known as valley storage. Discuss
- 8. In a rapid gravity filter
Options- A. raw water from the source is supplied
- B. disinfected raw water is supplied
- C. raw water passed through coagulation tank is supplied
- D. none of these. Discuss
- 9. Surface water may
Options- A. contain large amount of impurities
- B. be contaminated by impurities
- C. contain disease producing bacterias
- D. all the above. Discuss
- 10. 135 litres of water per person per day, is provided in
Options- A. nurses homes
- B. hostels
- C. residential schools
- D. all the above. Discuss
Water Supply Engineering problems
Search Results
Correct Answer: Freeman
Correct Answer: Dead storage
Correct Answer: 65%
Correct Answer: 600
Correct Answer: All the above.
Correct Answer: 20 to 30 years
Correct Answer: above useful storage
Correct Answer: raw water passed through coagulation tank is supplied
Correct Answer: all the above.
Correct Answer: all the above.
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