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- Question
The factor for the selection of pumping station site, is
Options- A. distance of the source of contamination or pollution
- B. height above the H.F.L. of the river
- C. future expansion
- D. proximity of the site from the railway station
- E. all the above.
- Correct Answer
- all the above.
- 1. Pick up the incorrect statement from the following :
Options- A. The pH value of water indicates the logarithm of reciprocal of hydrogen ion concentration in water
- B. Higher value of pH means lower hydrogen ion concentration
- C. Lower value of pH means higher hydrogen ion contraction
- D. Lower value of pH gives alkaline solution
- E. None of these. Discuss
- 2. Perched acquifers generally occur
Options- A. below water table
- B. above water table
- C. in acquicludes
- D. in artesian acquifers
- E. none of these. Discuss
- 3. Silt storage is the same as
Options- A. dead storage
- B. live storage
- C. effective storage
- D. none of these. Discuss
- 4. Pick up the correct statement from the following :
Options- A. The volume of underground water extracted by gravity drainage from a saturated soil, is known as yield
- B. The ratio of volume drained to the total volume of material drained, is known as specific yield
- C. The volume of water retained by the soil against the pull of gravity, is called specific retention or field capacity
- D. The sum of specific yield and specific retention, is equal to porosity
- E. All the above. Discuss
- 5. Capacity of soil to absorb moisture, is generally known as
Options- A. permeability
- B. porosity
- C. infiltration capacity
- D. perviousness. Discuss
- 6. A pressure conduit carrying water beneath a stream or a canal, is known as
Options- A. sag
- B. depressed pipe
- C. inverted syphon
- D. all the above. Discuss
- 7. The difference in the reservoir level and the lowest point of the water mains is 180 m. The expected pressure due to water hammer is 7.5 kg/cm2 in a pressure conduit of diameter 1 m. Assuming the efficiency of the riveted joints of the pipe as 0.6 and minimum cover 3 mm for corrosion, the thickness of the pipe materials, is
Options- A. 10 mm
- B. 15 mm
- C. 20 mm
- D. 25 mm
- E. 30 mm. Discuss
- 8. Rolled steel Tee-sections are used
Options- A. as columns
- B. with flat strips to connect plates in steel rectangular tanks
- C. as built up sections to resist axial tension
- D. none of these. Discuss
- 9. The minimum pitch of rivet holes of diameter d should not be less than
Options- A. d
- B. 1.25 d
- C. 1.5 d
- D. 2 d
- E. 2.5 d Discuss
- 10. The Indian standard code which deals with steel structures, is
Options- A. IS : 875
- B. IS : 800
- C. IS : 456
- D. IS : 1893 Discuss
Water Supply Engineering problems
Search Results
Correct Answer: Lower value of pH gives alkaline solution
Correct Answer: above water table
Correct Answer: dead storage
Correct Answer: All the above.
Correct Answer: infiltration capacity
Correct Answer: all the above.
Correct Answer: 20 mm
Correct Answer: with flat strips to connect plates in steel rectangular tanks
Correct Answer: 2.5 d
Correct Answer: IS : 800
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