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- Question
45 litres of water per person per day, is provided in
Options- A. office buildings
- B. hotels
- C. hostels
- D. nurse's homes.
- Correct Answer
- office buildings
- 1. The population of a city in 2000 is 50, 000. The average per decade of the previous records of population is 5000 and average percentage per decade is 20%. The population of the city based on geometrical increase method, in the year 2020 will be
Options- A. 56, 000
- B. 60, 000
- C. 64, 000
- D. 70, 000
- E. 72, 000 Discuss
- 2. The detention period for plain sedimentation water tanks, is usually
Options- A. 4 to 8 hours
- B. 8 to 16 hours
- C. 16 to 24 hours
- D. 24 to 36 hours. Discuss
- 3. The depth of the water table at a place is 45 m below the general ground level. To lift water from a deep tube well in such a locality, the type of pump to be installed is
Options- A. Centrifugal pump
- B. Reciprocating pump
- C. Deep well turbine pump
- D. None of these. Discuss
- 4. The bacterias which require free oxygen for their survival, are called
Options- A. Aerobic bacterias
- B. Anaerobic bacterias
- C. Faculative bacteria
- D. None of these. Discuss
- 5. For estimating the run off of catchments, the mean value of the constant 'K' in the Khosla's formula Qy = Py - K (1.8 Ty + 32) is
Options- A. 1.21
- B. 1.23
- C. 1.25
- D. 1.27
- E. 1.31 Discuss
- 6. For plain chlorination of water, the quantity of chlorine used, is
Options- A. 0.1 mg/litre
- B. 0.2 mg/litre
- C. 0.3 mg/litre
- D. 0.4 mg/litre
- E. 0.5 mg/litre. Discuss
- 7. The ratio of maximum hourly consumption and average hourly consumption of the maximum day, is
Options- A. 1.2
- B. 1.5
- C. 1.8
- D. 2.4
- E. 2.7 Discuss
- 8. The valves provided at low points of pipes to drain off water quickly under gravity, are called
Options- A. blow off valves
- B. drain valves
- C. sewer valves
- D. all the above. Discuss
- 9. The efficiency of sedimentation tank does not depend upon
Options- A. depth of tank
- B. length of tank
- C. detention period
- D. velocity of water. Discuss
- 10. In pumping stations, the type of joint generally used, is
Options- A. socket and spigot joint
- B. flanged joint
- C. expansion joint
- D. dresser coupling joint
- E. flexible joint. Discuss
Water Supply Engineering problems
Search Results
Correct Answer: 72, 000
Correct Answer: 24 to 36 hours.
Correct Answer: Deep well turbine pump
Correct Answer: Aerobic bacterias
Correct Answer: 1.27
Correct Answer: 0.5 mg/litre.
Correct Answer: 2.7
Correct Answer: all the above.
Correct Answer: depth of tank
Correct Answer: flanged joint
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