Waste Water Engineering [IES-ESE (Engineering Services) Civil Engineering]: Questions 1 - 3 of 45
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Question 1
Appeared in Year: 2018
Question MCQ▾
Consider the following statements regarding anchorage of pipelines conveying water:
- At bends, pipes tend to pull apart
- At bends, forces exerted on the joints due to longitudinal shearing stresses are enormous and the joints may get loosened
- To avoid problems by hydrodynamic effects, pipes are anchored using concrete blocks which absorb side thrusts at bends
- Pipes are also anchored on steep slopes
Which of the above statements are correct?
Choices
Choice (4) | Response | |
---|---|---|
a. | 1,2 and 4 only | |
b. | 1,3 and 4 only | |
c. | 1,2 and 3 only | |
d. | 1,2, 3 and 4 |
Question 2
Appeared in Year: 2018
Question Assertion-Reason▾
Assertion(Ꭺ)
Anaerobic sludge digester, by itself, is considered to be the better method than other method of sludge treatment.
Reason(Ꭱ)
During Anaerobic sludge digestion, is produced; also rodents and other Pests are attracted when digester sludge is dried.
Choices
Choice (4) | Response | |
---|---|---|
a. | Ꭺ is true but Ꭱ is false | |
b. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ | |
c. | Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ | |
d. | Both Ꭺ and Ꭱ are false |
Question 3
Appeared in Year: 2017
Question Assertion-Reason▾
Assertion(Ꭺ)
The invert of the lower (outgoing) larger size sewer is depressed suitably so as to match with the crowns of the upper (incoming) and the smaller size sewers.
Reason(Ꭱ)
It ensures that the smaller sewer runs full by backwater effect from the larger sewer even if the larger sewer does not run full.
Choices
Choice (4) | Response | |
---|---|---|
a. | Both Ꭺ and Ꭱ are false | |
b. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ | |
c. | Ꭺ is true but Ꭱ is false | |
d. | Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ |