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- Question
Disappearance of pink colour of water of a well due of KMnO4 indicates that water contains
Options- A. acidity
- B. alkalinity
- C. turbidity
- D. organic matter
- E. all the above.
- Correct Answer
- organic matter
- 1. Pick up the correct statement from the following :
Options- A. Large solids carried along the river bed, is known as bed load
- B. The bigger suspended particles get deposited in the head reaches of the reservoir
- C. The fine sediment deposits are generally near the face of the dam
- D. Deposition of sediment in the reservoir, reduces the capacity of the reservoir
- E. All the above. Discuss
- 2. The gaseous form of chlorine gets converted into liquid form when subjected to a pressure of
Options- A. 5 kg/cm2
- B. 6 kg/cm2
- C. 7 kg/cm2
- D. 8 kg/cm2
- E. 10 kg/cm2. Discuss
- 3. The joint used for joining the plain ends of cast iron pipes, is
Options- A. flanged joint
- B. socket and spigot joint .
- C. dresser coupling joint
- D. flexible joint
- E. expansion joint. Discuss
- 4. Bacterias which can survive with or without free oxygen, are known
Options- A. aerobic bacterias
- B. anerobic bacterias
- C. facultative bacterias
- D. none of these. Discuss
- 5. The pH value of water fit for drinking, is
Options- A. 13
- B. 11
- C. 9
- D. 7
- E. 5 Discuss
- 6. Grade aqueducts are not allowed to run
Options- A. full
- B.
th full - C.
full - D.
th full.
Discuss
- 7. 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
- 8. 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
- 9. The efficiency of a pumping set, is generally assumed
Options- A. 50%
- B. 55%
- C. 60%
- D. 65%
- E. 70%. Discuss
- 10. 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
Water Supply Engineering problems
Search Results
Correct Answer: All the above.
Correct Answer: 7 kg/cm2
Correct Answer: dresser coupling joint
Correct Answer: facultative bacterias
Correct Answer: 7
Correct Answer: full
Correct Answer: All the above.
Correct Answer: 600
Correct Answer: 65%
Correct Answer: Dead storage
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