Discussion
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- Question
Pick up the correct statement from the following :
Options- A. For determination of small colour intensities, tintometer is generally used
- B. The odour of water sample is generally measured by a term called odour intensity
- C. The colour of water sample may be detected by Nessler tube
- D. Specific conductivity of water measures the amount of dissolved salt
- E. All the above.
- Correct Answer
- All the above.
- 1. To control the growth of algae in reservoirs, the compound which is used, is
Options- A. bleaching powder
- B. copper sulphate
- C. lime solution
- D. alum solution
- E. all the above. Discuss
- 2. Hardness of water can be removed by boiling if it is due to
Options- A. calcium bicarbonates
- B. calcium sulphates
- C. calcium chloride
- D. calcium nitrates. Discuss
- 3. If w is the weight of water per cubic metre, Q is the discharge in cubic metres per sec and H is the total head, the required water horse power of the pump, is
Options- A.
- B.
- C.
- D.
- E. none of these. Discuss
- 4. The approximate diameter of a water mains for supplying 7.2 mld with a velocity 1.2 m/sec, is
Options- A. 24 cm
- B. 26 cm
- C. 28 cm
- D. 30 cm
- E. 32 cm. Discuss
- 5. The order of existence of three portions of water in a reservoir from the bottom to top is
Options- A. useful storage + surcharge storage + dead storage
- B. useful storage + dead storage + surcharge storage
- C. dead storage + useful storage + surcharge storage
- D. surcharge storage + useful storage + dead storage
- E. none of these. Discuss
- 6. Pick up the wrong nominal internal diameter of cast iron (spun) pipes in mm from the following :
Options- A. 300
- B. 400
- C. 500
- D. 550
- E. 600 Discuss
- 7. Carbonates in water produce
Options- A. temporary hardness
- B. permanent hardness
- C. acidity
- D. alkanity. Discuss
- 8. Well treated water is generally supplied for
Options- A. domestic use
- B. commercial use
- C. public use
- D. waste water
- E. all the above. Discuss
- 9. The formula Q = P - K[1.8T + 32] in which Q is runoff, P is annual rain fall in cm, T is mean annual temperature in centigrades and K is a constant, is known
Options- A. Justin's formula
- B. Khosla's formula
- C. English formula
- D. Vermule's formula. Discuss
- 10. Pick up the incorrect statement from the following :
Options- A. Water disinfected with ozone is free from any odour
- B. Ozone removes bacterias as well as colour and odour
- C. ozonised water becomes tasteless
- D. None of these. Discuss
Water Supply Engineering problems
Search Results
Correct Answer: copper sulphate
Correct Answer: calcium bicarbonates
Correct Answer:
Correct Answer: 30 cm
Correct Answer: dead storage + useful storage + surcharge storage
Correct Answer: 550
Correct Answer: temporary hardness
Correct Answer: all the above.
Correct Answer: Khosla's formula
Correct Answer: ozonised water becomes tasteless
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