STUDY LESSON:-17 [CIVIL ENGINEERING]
For Competitive exams/Railway jobs/Semester exam/Self Study Purpose
2. What should be the suitable pH range for digested sludge in a working sludge digestion unit?
3. Choose which value of sludge index for Indian condition is suitable
a) 100 to 300 b) 200 to 350 c) 150 to 350 d) 250 to 400
4. The condition of corrosion in concrete sewers is caused by ___________
5. The water storage below minimum pool level in reservoir is called _________
6. What are the disadvantages of using steel structural member?
7. The greatest amount of strain energy per unit volume in a material with in elastic limit can absorb is known as a ___________ of that material.
8. Which well have more discharge compared to shallow well?
9. What will be the velocity of the second body after collision if that body gets hit with a first body of mass "m" moving with constant velocity "v"?
10. The curve of catenary by nature is _________
Answers:-
1. 25 years
2. 6.5-8.0
3. b) 200 to 350
4. septic condition
5. dead water storage
6. susceptible to corrosion, high cost, use of costly painting and anti corrosive repellent enamel and other treatment
7. Proof resilience
8. Deep well.
9. v/2
10. parabolic
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