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- Question
If discharge of a pump is 0.16 cumecs, the economic diameter of pipe, is
Options- A. 0.488 m
- B. 4.88 cm
- C. 48.8 cm
- D. 4.88 m
- E. none of these.
- Correct Answer
- 0.488 m
- 1. Pick up the correct statement from the following :
Options- A. The amount of rainfall in 24 hours, is known as daily rainfall
- B. The amount of rainfall in one year, is known as annual rainfall
- C. The rain cycle period in India is taken as 35 years
- D. The ratio of the actual rainfall in the year to the normal rainfall at a place, is called index of the wetness
- E. All the above. Discuss
- 2. If d is the diameter of the pipe, p is the total internal pressure, f is the permissible tensile stress and n is the effective of the joint, the thickness t of metal pipe, is
Options- A.
- B.
- C.
- D.
- E. none of these. Discuss
- 3. Pick up the correct statement from the following :
Options- A. A hydrograph is a plot of discharge versus time
- B. A mass curve is a plot of accumulated flow versus time
- C. The mass curve continuously rises
- D. The slope of the mass curve at any time is a measure of the inflow rate at that time
- E. All the above. Discuss
- 4. The main disadvantage of hard water, is
Options- A. greater soap consumption
- B. scaling of boilers
- C. corrosion and incrustation of pipes
- D. making food tasteless
- E. all the above. Discuss
- 5. The best quality of filter material is obtained from quartzite if it does not loose weight when placed in hydro-chloric acid for 24 hours, more than
Options- A. 5%
- B. 8%
- C. 10%
- D. 12%
- E. 15%. Discuss
- 6. At the socket and spigot joint,
Options- A. enlarged end of the pipe is called socket
- B. normal end of the pipe is called spigot
- C. spigot is fitted into the socket
- D. molten lead is used for water proofing
- E. all the above. Discuss
- 7. Normal values of overflow rate for plain sedimentation tank, is
Options- A. 250 to 500 litres/hr/m2
- B. 500 to 750 litres/hr/m2
- C. 750 to 1000 litres/hr/m2
- D. 1000 to 1250 litres/hr/m2. Discuss
- 8. Check valves are installed
Options- A. on the delivery side of the pumping set
- B. at the interconnections between polluted water system and a potable water system
- C. both (a) and (b)
- D. neither (a) nor (b). Discuss
- 9. An area is declared drought affected if its mean rainfall is less than
Options- A. 50%
- B. 60%
- C. 75%
- D. 80%
- E. 85%. Discuss
- 10. The standard B.O.D. at 20&Deg;C, is taken for the consumption in
Options- A. one day
- B. 2 days
- C. 3 days
- D. 4 days
- E. 5 days. Discuss
Water Supply Engineering problems
Search Results
Correct Answer: All the above.
Correct Answer:
Correct Answer: All the above.
Correct Answer: all the above.
Correct Answer: 5%
Correct Answer: all the above.
Correct Answer: 500 to 750 litres/hr/m2
Correct Answer: both (a) and (b)
Correct Answer: 85%.
Correct Answer: 5 days.
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